{
  "x402Version": 2,
  "id": 4489,
  "slug": "4489",
  "resource": "https://dependency-risk.use.x402atlas.com/package",
  "description": "Package vulnerability check — check one exact open-source dependency version or purl against OSV, enrich CVE matches with CISA KEV known-exploited signals, and report fixes, severity, and provenance.",
  "type": "http",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "5000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "eip155:137",
      "payTo": "0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2",
      "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
      "amount": "5000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "eip155:42161",
      "payTo": "0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2",
      "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
      "amount": "5000",
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    }
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  "outputSchema": {
    "bazaar": {
      "category": "security",
      "info": {
        "input": {
          "body": {
            "purl": "pkg:maven/org.apache.logging.log4j/log4j-core@2.14.1"
          },
          "bodyType": "json",
          "method": "POST",
          "type": "http"
        },
        "output": {
          "example": {
            "findings": [
              {
                "affected": [
                  {
                    "package": {
                      "ecosystem": "Maven",
                      "name": "org.apache.logging.log4j:log4j-core",
                      "purl": "pkg:maven/org.apache.logging.log4j/log4j-core"
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                "max_severity": "medium",
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                "published": "2026-04-10T18:31:17Z",
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                    "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-34480"
                  },
                  {
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                    "type": "WEB",
                    "url": "https://logging.apache.org/log4j/2.x/manual/layouts.html#XmlLayout"
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                    "url": "https://logging.apache.org/security.html#CVE-2026-34480"
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                    "url": "http://www.openwall.com/lists/oss-security/2026/04/10/9"
                  }
                ],
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                    "type": "CVSS_V4"
                  }
                ],
                "summary": "Apache Log4j Core: Silent log event loss in XmlLayout due to unescaped XML 1.0 forbidden characters",
                "withdrawn": false
              },
              {
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                      "ecosystem": "Maven",
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                      "2.12.2",
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                      "3.0.0-beta1",
                      "3.0.0-beta2",
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                "published": "2026-04-10T18:31:17Z",
                "references": [
                  {
                    "type": "ADVISORY",
                    "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-34477"
                  },
                  {
                    "type": "WEB",
                    "url": "https://github.com/apache/logging-log4j2/pull/4075"
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                  {
                    "type": "PACKAGE",
                    "url": "https://github.com/apache/logging-log4j2"
                  },
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                    "type": "WEB",
                    "url": "https://lists.apache.org/thread/lkx8cl46t2bvkcwfcb2pd43ygc097lq4"
                  },
                  {
                    "type": "WEB",
                    "url": "https://logging.apache.org/cyclonedx/vdr.xml"
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                  {
                    "type": "WEB",
                    "url": "https://logging.apache.org/log4j/2.x/manual/appenders/network.html#SslConfiguration-attr-verifyHostName"
                  },
                  {
                    "type": "WEB",
                    "url": "https://logging.apache.org/security.html#CVE-2026-34477"
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                "severity": [
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                    "score": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:L/SA:N",
                    "type": "CVSS_V4"
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                ],
                "summary": "Apache Log4j Core: `verifyHostName` attribute silently ignored in TLS configuration",
                "withdrawn": false
              },
              {
                "affected": [
                  {
                    "package": {
                      "ecosystem": "Maven",
                      "name": "org.apache.logging.log4j:log4j-core",
                      "purl": "pkg:maven/org.apache.logging.log4j/log4j-core"
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                    "versions": [
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                      "2.0-alpha1",
                      "2.0-alpha2",
                      "2.0-beta1",
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                      "2.9.1"
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                ],
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                  "2.16.0",
                  "2.12.2"
                ],
                "id": "GHSA-7rjr-3q55-vv33",
                "kev": {
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                  "cwes": [
                    "CWE-917"
                  ],
                  "date_added": "2023-05-01",
                  "due_date": "2023-05-22",
                  "known_ransomware_campaign_use": "Known",
                  "notes": "https://logging.apache.org/log4j/2.x/security.html; https://nvd.nist.gov/vuln/detail/CVE-2021-45046",
                  "product": "Log4j2",
                  "required_action": "Apply updates per vendor instructions.",
                  "short_description": "Apache Log4j2 contains a deserialization of untrusted data vulnerability due to the incomplete fix of CVE-2021-44228, where the Thread Context Lookup Pattern is vulnerable to remote code execution in certain non-default configurations.",
                  "vendor_project": "Apache",
                  "vulnerability_name": "Apache Log4j2 Deserialization of Untrusted Data Vulnerability"
                },
                "max_severity": "critical",
                "modified": "2025-10-22T19:37:53.742023Z",
                "published": "2021-12-14T18:01:28Z",
                "references": [
                  {
                    "type": "ADVISORY",
                    "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-45046"
                  },
                  {
                    "type": "WEB",
                    "url": "https://www.oracle.com/security-alerts/cpujul2022.html"
                  },
                  {
                    "type": "WEB",
                    "url": "https://www.oracle.com/security-alerts/cpujan2022.html"
                  },
                  {
                    "type": "WEB",
                    "url": "https://www.oracle.com/security-alerts/cpuapr2022.html"
                  },
                  {
                    "type": "WEB",
                    "url": "https://www.oracle.com/security-alerts/alert-cve-2021-44228.html"
                  },
                  {
                    "type": "WEB",
                    "url": "https://www.openwall.com/lists/oss-security/2021/12/14/4"
                  },
                  {
                    "type": "WEB",
                    "url": "https://www.kb.cert.org/vuls/id/930724"
                  },
                  {
                    "type": "WEB",
                    "url": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00646.html"
                  },
                  {
                    "type": "WEB",
                    "url": "https://www.debian.org/security/2021/dsa-5022"
                  },
                  {
                    "type": "WEB",
                    "url": "https://www.cve.org/CVERecord?id=CVE-2021-44228"
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                  {
                    "type": "WEB",
                    "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-45046"
                  },
                  {
                    "type": "WEB",
                    "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-log4j-qRuKNEbd"
                  },
                  {
                    "type": "WEB",
                    "url": "https://security.gentoo.org/glsa/202310-16"
                  },
                  {
                    "type": "WEB",
                    "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-log4j-qRuKNEbd"
                  },
                  {
                    "type": "WEB",
                    "url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0032"
                  },
                  {
                    "type": "WEB",
                    "url": "https://logging.apache.org/log4j/2.x/security.html"
                  },
                  {
                    "type": "WEB",
                    "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SIG7FZULMNK2XF6FZRU4VWYDQXNMUGAJ"
                  },
                  {
                    "type": "WEB",
                    "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EOKPQGV24RRBBI4TBZUDQMM4MEH7MXCY"
                  },
                  {
                    "type": "WEB",
                    "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SIG7FZULMNK2XF6FZRU4VWYDQXNMUGAJ"
                  },
                  {
                    "type": "WEB",
                    "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EOKPQGV24RRBBI4TBZUDQMM4MEH7MXCY"
                  },
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                    "type": "ADVISORY",
                    "url": "https://github.com/advisories/GHSA-jfh8-c2jp-5v3q"
                  },
                  {
                    "type": "WEB",
                    "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-714170.pdf"
                  },
                  {
                    "type": "WEB",
                    "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-661247.pdf"
                  },
                  {
                    "type": "WEB",
                    "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-479842.pdf"
                  },
                  {
                    "type": "WEB",
                    "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-397453.pdf"
                  },
                  {
                    "type": "WEB",
                    "url": "http://www.openwall.com/lists/oss-security/2021/12/14/4"
                  },
                  {
                    "type": "WEB",
                    "url": "http://www.openwall.com/lists/oss-security/2021/12/15/3"
                  },
                  {
                    "type": "WEB",
                    "url": "http://www.openwall.com/lists/oss-security/2021/12/18/1"
                  }
                ],
                "severity": [
                  {
                    "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H/E:H",
                    "type": "CVSS_V3"
                  }
                ],
                "summary": "Incomplete fix for Apache Log4j vulnerability",
                "withdrawn": false
              },
              {
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                  {
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                    ],
                    "severity": [],
                    "versions": [
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                      "2.11.0",
                      "2.11.1",
                      "2.11.2",
                      "2.12.0",
                      "2.12.1",
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                      "2.5",
                      "2.6",
                      "2.6.1",
                      "2.6.2",
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                      "2.8",
                      "2.8.1",
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                      "2.9.0",
                      "2.9.1"
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                  {
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                      "name": "org.apache.logging.log4j:log4j-core",
                      "purl": "pkg:maven/org.apache.logging.log4j/log4j-core"
                    },
                    "ranges": [
                      {
                        "events": [
                          {
                            "introduced": "2.13.0"
                          },
                          {
                            "fixed": "2.17.1"
                          }
                        ],
                        "type": "ECOSYSTEM"
                      }
                    ],
                    "severity": [],
                    "versions": [
                      "2.13.0",
                      "2.13.1",
                      "2.13.2",
                      "2.13.3",
                      "2.14.0",
                      "2.14.1",
                      "2.15.0",
                      "2.16.0",
                      "2.17.0"
                    ]
                  }
                ],
                "aliases": [
                  "CVE-2021-44832"
                ],
                "fixed_versions": [
                  "2.3.2",
                  "2.12.4",
                  "2.17.1"
                ],
                "id": "GHSA-8489-44mv-ggj8",
                "max_severity": "medium",
                "modified": "2026-06-09T10:45:14.253296471Z",
                "published": "2022-01-04T16:14:20Z",
                "references": [
                  {
                    "type": "ADVISORY",
                    "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-44832"
                  },
                  {
                    "type": "WEB",
                    "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-784507.pdf"
                  },
                  {
                    "type": "PACKAGE",
                    "url": "https://github.com/apache/logging-log4j2"
                  },
                  {
                    "type": "WEB",
                    "url": "https://issues.apache.org/jira/browse/LOG4J2-3293"
                  },
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                  {
                    "type": "WEB",
                    "url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0032"
                  },
                  {
                    "type": "WEB",
                    "url": "https://logging.apache.org/log4j/2.x/security.html"
                  },
                  {
                    "type": "WEB",
                    "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SIG7FZULMNK2XF6FZRU4VWYDQXNMUGAJ"
                  },
                  {
                    "type": "WEB",
                    "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EOKPQGV24RRBBI4TBZUDQMM4MEH7MXCY"
                  },
                  {
                    "type": "WEB",
                    "url": "https://lists.debian.org/debian-lts-announce/2021/12/msg00017.html"
                  },
                  {
                    "type": "WEB",
                    "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-501673.pdf"
                  },
                  {
                    "type": "WEB",
                    "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-479842.pdf"
                  },
                  {
                    "type": "WEB",
                    "url": "http://www.openwall.com/lists/oss-security/2021/12/19/1"
                  }
                ],
                "severity": [
                  {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                  }
                ],
                "summary": "Apache Log4j2 vulnerable to Improper Input Validation and Uncontrolled Recursion",
                "withdrawn": false
              },
              {
                "affected": [
                  {
                    "package": {
                      "ecosystem": "Maven",
                      "name": "org.apache.logging.log4j:log4j-core",
                      "purl": "pkg:maven/org.apache.logging.log4j/log4j-core"
                    },
                    "ranges": [
                      {
                        "events": [
                          {
                            "introduced": "2.0-beta9"
                          },
                          {
                            "fixed": "2.25.3"
                          }
                        ],
                        "type": "ECOSYSTEM"
                      }
                    ],
                    "severity": [],
                    "versions": [
                      "2.0",
                      "2.0-beta9",
                      "2.0-rc1",
                      "2.0-rc2",
                      "2.0.1",
                      "2.0.2",
                      "2.1",
                      "2.10.0",
                      "2.11.0",
                      "2.11.1",
                      "2.11.2",
                      "2.12.0",
                      "2.12.1",
                      "2.12.2",
                      "2.12.3",
                      "2.12.4",
                      "2.13.0",
                      "2.13.1",
                      "2.13.2",
                      "2.13.3",
                      "2.14.0",
                      "2.14.1",
                      "2.15.0",
                      "2.16.0",
                      "2.17.0",
                      "2.17.1",
                      "2.17.2",
                      "2.18.0",
                      "2.19.0",
                      "2.2",
                      "2.20.0",
                      "2.21.0",
                      "2.21.1",
                      "2.22.0",
                      "2.22.1",
                      "2.23.0",
                      "2.23.1",
                      "2.24.0",
                      "2.24.1",
                      "2.24.2",
                      "2.24.3",
                      "2.25.0",
                      "2.25.1",
                      "2.25.2",
                      "2.3",
                      "2.3.1",
                      "2.3.2",
                      "2.4",
                      "2.4.1",
                      "2.5",
                      "2.6",
                      "2.6.1",
                      "2.6.2",
                      "2.7",
                      "2.8",
                      "2.8.1",
                      "2.8.2",
                      "2.9.0",
                      "2.9.1"
                    ]
                  }
                ],
                "aliases": [
                  "CVE-2025-68161"
                ],
                "fixed_versions": [
                  "2.25.3"
                ],
                "id": "GHSA-vc5p-v9hr-52mj",
                "max_severity": "medium",
                "modified": "2026-02-04T03:10:00.616806Z",
                "published": "2025-12-18T21:31:44Z",
                "references": [
                  {
                    "type": "ADVISORY",
                    "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-68161"
                  },
                  {
                    "type": "WEB",
                    "url": "https://github.com/apache/logging-log4j2/pull/4002"
                  },
                  {
                    "type": "WEB",
                    "url": "https://github.com/apache/logging-log4j2/commit/3b93748497e1adbbd027fda8a5e7268ec5d0d578"
                  },
                  {
                    "type": "WEB",
                    "url": "https://github.com/apache/logging-log4j2"
                  },
                  {
                    "type": "WEB",
                    "url": "https://lists.apache.org/thread/xr33kyxq3sl67lwb61ggvm1fzc8k7dvx"
                  },
                  {
                    "type": "WEB",
                    "url": "https://logging.apache.org/cyclonedx/vdr.xml"
                  },
                  {
                    "type": "WEB",
                    "url": "https://logging.apache.org/log4j/2.x/manual/appenders/network.html#SslConfiguration-attr-verifyHostName"
                  },
                  {
                    "type": "WEB",
                    "url": "https://logging.apache.org/log4j/2.x/manual/systemproperties.html#log4j2.sslVerifyHostName"
                  },
                  {
                    "type": "WEB",
                    "url": "https://logging.apache.org/security.html#CVE-2025-68161"
                  },
                  {
                    "type": "WEB",
                    "url": "http://www.openwall.com/lists/oss-security/2025/12/18/1"
                  }
                ],
                "severity": [
                  {
                    "score": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:L/SA:N",
                    "type": "CVSS_V4"
                  }
                ],
                "summary": "Apache Log4j does not verify the TLS hostname in its Socket Appender",
                "withdrawn": false
              }
            ],
            "input": {
              "ecosystem": "maven",
              "name": "org.apache.logging.log4j/log4j-core",
              "purl": "pkg:maven/org.apache.logging.log4j/log4j-core@2.14.1",
              "version": "2.14.1"
            },
            "operation": "package-check",
            "retrieved_at": "2026-08-02T00:00:00Z",
            "schema_version": "dependency-risk-v1",
            "source": {
              "cisa_kev": {
                "catalog_version": "2026.07.29",
                "date_released": "2026-07-29T18:45:59.5809Z",
                "name": "Cybersecurity and Infrastructure Security Agency (CISA) Known Exploited Vulnerabilities Catalog",
                "retrieved_at": "2026-08-02T00:00:00Z"
              },
              "osv": {
                "name": "OSV.dev"
              }
            },
            "stale": false,
            "status": "vulnerabilities_found",
            "summary": {
              "finding_count": 7,
              "kev_count": 2,
              "max_severity": "critical"
            },
            "warnings": []
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "body": {
                "additionalProperties": false,
                "properties": {
                  "purl": {
                    "description": "Canonical package URL containing an embedded exact version",
                    "maxLength": 2048,
                    "minLength": 1,
                    "type": "string"
                  }
                },
                "required": [
                  "purl"
                ],
                "type": "object"
              },
              "bodyType": {
                "enum": [
                  "json",
                  "form-data",
                  "text"
                ],
                "type": "string"
              },
              "method": {
                "enum": [
                  "POST"
                ],
                "type": "string"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method",
              "bodyType",
              "body"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "additionalProperties": false,
                "description": "Complete transactional Dependency Risk response, limited to the native budget reserved below the 512 KiB deployed wire ceiling",
                "properties": {
                  "_atlas": {
                    "additionalProperties": false,
                    "description": "Atlas documentation and related-route metadata added after deployment",
                    "properties": {
                      "docs": {
                        "description": "Documentation URL for this bridge",
                        "format": "uri",
                        "maxLength": 512,
                        "type": "string"
                      },
                      "related": {
                        "description": "Bounded related Atlas routes",
                        "items": {
                          "additionalProperties": false,
                          "description": "One related Atlas route",
                          "properties": {
                            "bridge": {
                              "description": "Related bridge name",
                              "maxLength": 64,
                              "type": "string"
                            },
                            "docs": {
                              "description": "Related bridge documentation URL",
                              "format": "uri",
                              "maxLength": 512,
                              "type": "string"
                            },
                            "summary": {
                              "description": "Short capability summary",
                              "maxLength": 256,
                              "type": "string"
                            },
                            "url": {
                              "description": "Related route URL",
                              "format": "uri",
                              "maxLength": 512,
                              "type": "string"
                            }
                          },
                          "required": [
                            "bridge",
                            "url",
                            "docs",
                            "summary"
                          ],
                          "type": "object"
                        },
                        "maxItems": 3,
                        "type": "array"
                      }
                    },
                    "required": [
                      "docs"
                    ],
                    "type": "object"
                  },
                  "findings": {
                    "description": "Complete normalized OSV findings sorted lexically by authoritative OSV ID; at most 16 from the one supported OSV page and always [] when none",
                    "items": {
                      "additionalProperties": false,
                      "description": "One complete normalized OSV vulnerability finding, limited to 48 KiB after JSON encoding, with optional exact CISA KEV enrichment",
                      "properties": {
                        "affected": {
                          "description": "Bounded OSV affected package/range/event data in source order",
                          "items": {
                            "additionalProperties": false,
                            "description": "One OSV affected package entry retained in source order",
                            "properties": {
                              "package": {
                                "additionalProperties": false,
                                "description": "Exact affected package identity published by OSV",
                                "properties": {
                                  "ecosystem": {
                                    "description": "Exact OSV ecosystem identifier",
                                    "type": "string"
                                  },
                                  "name": {
                                    "description": "Exact package name published by OSV",
                                    "type": "string"
                                  },
                                  "purl": {
                                    "description": "Package URL published by OSV when supplied",
                                    "type": "string"
                                  }
                                },
                                "type": "object"
                              },
                              "ranges": {
                                "description": "Affected ranges retained in OSV source order",
                                "items": {
                                  "additionalProperties": false,
                                  "description": "One affected version range published by OSV",
                                  "properties": {
                                    "events": {
                                      "description": "Ordered OSV range events; the bridge does not infer ecosystem version ordering",
                                      "items": {
                                        "additionalProperties": false,
                                        "description": "One OSV range event; exactly one event field is normally supplied by the source",
                                        "properties": {
                                          "fixed": {
                                            "description": "OSV range event explicitly marking a fixed version",
                                            "type": "string"
                                          },
                                          "introduced": {
                                            "description": "OSV range event marking an introduced version",
                                            "type": "string"
                                          },
                                          "last_affected": {
                                            "description": "OSV range event marking the last affected version",
                                            "type": "string"
                                          },
                                          "limit": {
                                            "description": "OSV range event upper limit when supplied",
                                            "type": "string"
                                          }
                                        },
                                        "type": "object"
                                      },
                                      "type": "array"
                                    },
                                    "repo": {
                                      "description": "Repository identifier published by OSV for a GIT range",
                                      "type": "string"
                                    },
                                    "type": {
                                      "description": "OSV range type such as SEMVER, ECOSYSTEM, or GIT",
                                      "type": "string"
                                    }
                                  },
                                  "required": [
                                    "type",
                                    "events"
                                  ],
                                  "type": "object"
                                },
                                "type": "array"
                              },
                              "severity": {
                                "description": "Severity vectors attached to this affected package entry",
                                "items": {
                                  "additionalProperties": false,
                                  "description": "One severity vector exactly as published by OSV",
                                  "properties": {
                                    "score": {
                                      "description": "Original published vector; malformed or mismatched vectors are retained but score as unknown",
                                      "type": "string"
                                    },
                                    "type": {
                                      "description": "OSV-declared score type such as CVSS_V3",
                                      "type": "string"
                                    }
                                  },
                                  "required": [
                                    "type",
                                    "score"
                                  ],
                                  "type": "object"
                                },
                                "type": "array"
                              },
                              "versions": {
                                "description": "Affected versions explicitly enumerated by OSV",
                                "items": {
                                  "type": "string"
                                },
                                "type": "array"
                              }
                            },
                            "required": [
                              "package",
                              "ranges",
                              "versions",
                              "severity"
                            ],
                            "type": "object"
                          },
                          "type": "array"
                        },
                        "aliases": {
                          "description": "Deduplicated lexical aliases published by OSV",
                          "items": {
                            "type": "string"
                          },
                          "type": "array"
                        },
                        "fixed_versions": {
                          "description": "Only explicit fixed events for the matching package, deduplicated in OSV source order; [] means OSV supplied no fixed event, not that no fix exists",
                          "items": {
                            "type": "string"
                          },
                          "type": "array"
                        },
                        "id": {
                          "description": "Authoritative OSV record identifier",
                          "type": "string"
                        },
                        "kev": {
                          "additionalProperties": false,
                          "description": "Exact CISA KEV match on a syntactically valid CVE ID or alias; omitted rather than null when no exact match exists",
                          "properties": {
                            "cve_id": {
                              "description": "Exact CVE identifier matched in the CISA KEV catalog",
                              "type": "string"
                            },
                            "cwes": {
                              "description": "CWE identifiers published by CISA",
                              "items": {
                                "type": "string"
                              },
                              "type": "array"
                            },
                            "date_added": {
                              "description": "Date CISA added the CVE to KEV",
                              "type": "string"
                            },
                            "due_date": {
                              "description": "CISA KEV due date for covered federal agencies",
                              "type": "string"
                            },
                            "known_ransomware_campaign_use": {
                              "description": "CISA's published ransomware-campaign-use value when supplied",
                              "type": "string"
                            },
                            "notes": {
                              "description": "Additional CISA KEV notes when supplied",
                              "type": "string"
                            },
                            "product": {
                              "description": "Affected product label published by CISA",
                              "type": "string"
                            },
                            "required_action": {
                              "description": "Required action text published by CISA; caller remediation review is still required",
                              "type": "string"
                            },
                            "short_description": {
                              "description": "Short vulnerability description published by CISA",
                              "type": "string"
                            },
                            "vendor_project": {
                              "description": "Vendor or project label published by CISA",
                              "type": "string"
                            },
                            "vulnerability_name": {
                              "description": "CISA KEV vulnerability name",
                              "type": "string"
                            }
                          },
                          "required": [
                            "cve_id",
                            "vendor_project",
                            "product",
                            "vulnerability_name",
                            "date_added",
                            "short_description",
                            "required_action",
                            "due_date",
                            "cwes"
                          ],
                          "type": "object"
                        },
                        "max_severity": {
                          "description": "Highest severity derived only from a parseable declared CVSS vector",
                          "enum": [
                            "unknown",
                            "low",
                            "medium",
                            "high",
                            "critical"
                          ],
                          "type": "string"
                        },
                        "modified": {
                          "description": "OSV modification time string",
                          "type": "string"
                        },
                        "published": {
                          "description": "OSV publication time string when supplied",
                          "type": "string"
                        },
                        "references": {
                          "description": "Bounded references published by OSV; URLs are untrusted data returned for provenance and are never fetched by this bridge",
                          "items": {
                            "additionalProperties": false,
                            "description": "One OSV-published reference retained as provenance data",
                            "properties": {
                              "type": {
                                "description": "OSV reference classification such as ADVISORY, FIX, REPORT, or WEB",
                                "type": "string"
                              },
                              "url": {
                                "description": "Reference URL supplied by OSV as untrusted provenance data; never fetched by this bridge",
                                "type": "string"
                              }
                            },
                            "required": [
                              "type",
                              "url"
                            ],
                            "type": "object"
                          },
                          "type": "array"
                        },
                        "severity": {
                          "description": "At most 16 published top-level OSV severity vectors",
                          "items": {
                            "additionalProperties": false,
                            "description": "One severity vector exactly as published by OSV",
                            "properties": {
                              "score": {
                                "description": "Original published vector; malformed or mismatched vectors are retained but score as unknown",
                                "type": "string"
                              },
                              "type": {
                                "description": "OSV-declared score type such as CVSS_V3",
                                "type": "string"
                              }
                            },
                            "required": [
                              "type",
                              "score"
                            ],
                            "type": "object"
                          },
                          "maxItems": 16,
                          "type": "array"
                        },
                        "summary": {
                          "description": "Bounded OSV summary",
                          "type": "string"
                        },
                        "withdrawn": {
                          "description": "Whether OSV withdrew the record; withdrawn findings remain visible but do not count in the active summary",
                          "type": "boolean"
                        },
                        "withdrawn_at": {
                          "description": "OSV withdrawal time string, present only when supplied",
                          "type": "string"
                        }
                      },
                      "required": [
                        "id",
                        "aliases",
                        "modified",
                        "withdrawn",
                        "affected",
                        "references",
                        "severity",
                        "max_severity",
                        "fixed_versions"
                      ],
                      "type": "object"
                    },
                    "maxItems": 16,
                    "type": "array"
                  },
                  "input": {
                    "additionalProperties": false,
                    "description": "Canonical exact package/version identity",
                    "properties": {
                      "ecosystem": {
                        "description": "Exact package ecosystem; purl types remain canonical lowercase identifiers",
                        "type": "string"
                      },
                      "name": {
                        "description": "Exact package-manager name",
                        "type": "string"
                      },
                      "purl": {
                        "description": "Canonical input purl when the caller used purl form; otherwise omitted",
                        "type": "string"
                      },
                      "version": {
                        "description": "Exact queried package version",
                        "type": "string"
                      }
                    },
                    "required": [
                      "ecosystem",
                      "name",
                      "version"
                    ],
                    "type": "object"
                  },
                  "operation": {
                    "const": "package-check",
                    "description": "Stable route operation identifier",
                    "type": "string"
                  },
                  "retrieved_at": {
                    "description": "UTC time this bridge completed the response; this is not an OSV publication or modification time",
                    "format": "date-time",
                    "type": "string"
                  },
                  "schema_version": {
                    "const": "dependency-risk-v1",
                    "description": "Version of the normalized Dependency Risk response contract",
                    "type": "string"
                  },
                  "source": {
                    "additionalProperties": false,
                    "description": "Named public sources and the exact CISA KEV snapshot used for this response",
                    "properties": {
                      "cisa_kev": {
                        "additionalProperties": false,
                        "description": "Validated CISA Known Exploited Vulnerabilities snapshot used for exact CVE enrichment",
                        "properties": {
                          "catalog_version": {
                            "description": "Catalog version published in the validated CISA feed",
                            "type": "string"
                          },
                          "date_released": {
                            "description": "Release time published in the validated CISA feed",
                            "type": "string"
                          },
                          "name": {
                            "const": "Cybersecurity and Infrastructure Security Agency (CISA) Known Exploited Vulnerabilities Catalog",
                            "description": "Official CISA KEV source name",
                            "type": "string"
                          },
                          "retrieved_at": {
                            "description": "UTC time this exact validated KEV snapshot was retrieved",
                            "format": "date-time",
                            "type": "string"
                          }
                        },
                        "required": [
                          "name",
                          "catalog_version",
                          "date_released",
                          "retrieved_at"
                        ],
                        "type": "object"
                      },
                      "osv": {
                        "additionalProperties": false,
                        "description": "OSV source identity; individual finding times carry record publication and modification semantics",
                        "properties": {
                          "name": {
                            "const": "OSV.dev",
                            "description": "Official OSV.dev vulnerability record aggregator",
                            "type": "string"
                          }
                        },
                        "required": [
                          "name"
                        ],
                        "type": "object"
                      }
                    },
                    "required": [
                      "osv",
                      "cisa_kev"
                    ],
                    "type": "object"
                  },
                  "stale": {
                    "description": "True only when a prior validated CISA KEV snapshot is served after refresh failure; OSV result completeness is never silently marked stale",
                    "type": "boolean"
                  },
                  "status": {
                    "description": "Complete named-source result: no_known_vulnerabilities means OSV returned no matching active record, not that the dependency is safe",
                    "enum": [
                      "no_known_vulnerabilities",
                      "vulnerabilities_found"
                    ],
                    "type": "string"
                  },
                  "summary": {
                    "additionalProperties": false,
                    "description": "Summary of active non-withdrawn findings",
                    "properties": {
                      "finding_count": {
                        "description": "Active non-withdrawn finding count",
                        "maximum": 16,
                        "minimum": 0,
                        "type": "integer"
                      },
                      "kev_count": {
                        "description": "Active findings with an exact KEV CVE match",
                        "maximum": 16,
                        "minimum": 0,
                        "type": "integer"
                      },
                      "max_severity": {
                        "description": "Highest parseable published CVSS severity among active findings",
                        "enum": [
                          "unknown",
                          "low",
                          "medium",
                          "high",
                          "critical"
                        ],
                        "type": "string"
                      }
                    },
                    "required": [
                      "finding_count",
                      "kev_count",
                      "max_severity"
                    ],
                    "type": "object"
                  },
                  "warnings": {
                    "description": "Freshness and interpretation warnings; always [] when none",
                    "items": {
                      "description": "Bounded warning intended for caller action or interpretation",
                      "type": "string"
                    },
                    "type": "array"
                  }
                },
                "required": [
                  "operation",
                  "schema_version",
                  "source",
                  "retrieved_at",
                  "stale",
                  "warnings",
                  "input",
                  "status",
                  "summary",
                  "findings"
                ],
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      },
      "tags": [
        "package-vulnerability-check",
        "osv",
        "cve",
        "cisa-kev",
        "software-supply-chain"
      ]
    }
  },
  "tags": [
    "bazaar"
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