CVE lookup and exploit check by CVE id

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x72f62dE8b70d6CFa8Cc2dF6f21F243f289F3396c",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "50000",
    "maxTimeoutSeconds": 300
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "method": "GET",
        "pathParams": {
          "cve_id": ":cve_id"
        },
        "queryParams": {
          "format": "json"
        },
        "type": "http"
      },
      "output": {
        "example": {
          "actively_exploited": true,
          "audit_receipt": {
            "check_id": "uuid",
            "result_sha256": "..."
          },
          "compliance_note": "This is a decision-support signal, not a guarantee. Confirm against the linked authoritative sources (cisa.gov, nvd.nist.gov, first.org) before acting.",
          "coverage_note": "Direct lookup against the US CISA Known Exploited Vulnerabilities (KEV) catalog, the FIRST EPSS model score, and the NVD CVE record. 'actively_exploited' reflects presence on the CISA KEV catalog ONLY. A CVE that is NOT on KEV is not necessarily safe or unexploitable - it simply is not on CISA's confirmed-exploited list. EPSS is a probability estimate, not proof.",
          "epss": {
            "epss_probability": 0.984,
            "exploitation_band": "Critical"
          },
          "exploitation_summary": "ON the CISA KEV catalog - confirmed exploited in the wild.",
          "nvd": {
            "cvss_severity": "CRITICAL"
          },
          "provenance_urls": {
            "cisa_kev": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog"
          },
          "query": "CVE-2026-33017",
          "result": "FOUND",
          "service": "OSF Security - CVE Exploit Check"
        },
        "type": "json"
      }
    },
    "routeTemplate": "/x402/security/cve/:cve_id",
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "method": {
              "enum": [
                "GET",
                "HEAD",
                "DELETE"
              ],
              "type": "string"
            },
            "pathParams": {
              "type": "object"
            },
            "queryParams": {
              "properties": {
                "format": {
                  "description": "Response format (json).",
                  "type": "string"
                }
              },
              "required": [
                "format"
              ],
              "type": "object"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {
              "properties": {
                "actively_exploited": {
                  "description": "True if on the CISA KEV catalog.",
                  "type": "boolean"
                },
                "audit_receipt": {
                  "type": "object"
                },
                "compliance_note": {
                  "type": "string"
                },
                "coverage_note": {
                  "type": "string"
                },
                "epss": {
                  "type": "object"
                },
                "exploitation_summary": {
                  "type": "string"
                },
                "nvd": {
                  "type": "object"
                },
                "provenance_urls": {
                  "type": "object"
                },
                "query": {
                  "type": "string"
                },
                "result": {
                  "description": "FOUND, NOT_FOUND, or INVALID_INPUT",
                  "type": "string"
                },
                "service": {
                  "type": "string"
                }
              },
              "required": [
                "service",
                "query",
                "result",
                "actively_exploited",
                "compliance_note",
                "audit_receipt"
              ],
              "type": "object"
            },
            "type": {
              "type": "string"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  }
}

curl "https://api.osf-master-server.com/x402/security/cve/:cve_id"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

const res = await fetch("https://api.osf-master-server.com/x402/security/cve/:cve_id");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

import httpx
res = httpx.get("https://api.osf-master-server.com/x402/security/cve/:cve_id")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header