OT-contextualised CVE triage for ICS/SCADA

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x1888192FAc6a69e4cd7d078eC4bCf6F24f7C767B",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "20000",
    "maxTimeoutSeconds": 300
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "method": "GET",
        "queryParams": {
          "id": "CVE-2023-38802"
        },
        "type": "http"
      },
      "output": {
        "example": {
          "actively_exploited": false,
          "compensating_controls": [
            "Isolate PLC from IT network via VLAN",
            "Disable web server interface if unused",
            "Deploy unidirectional gateway for historian traffic"
          ],
          "cve_id": "CVE-2019-13945",
          "cvss_score": 6.8,
          "data_sources": [
            "NVD",
            "CISA-KEV",
            "DeepSeek-CTI-Analysis"
          ],
          "freshness": "2025-05-22T10:00:00.000Z",
          "kev_due_date": null,
          "ot_context": {
            "affected_layer": "field_device",
            "ot_adjusted_severity": "high",
            "patch_feasibility": "low — requires maintenance window",
            "production_downtime": true,
            "safety_system_risk": true
          },
          "recommended_action": "HIGH: Schedule patch for next maintenance window.",
          "summary": "A vulnerability has been identified in SIMATIC S7-1200 CPU family (All versions). The web server of the affected devices transmits data without TLS encryption."
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "method": {
              "enum": [
                "GET"
              ],
              "type": "string"
            },
            "queryParams": {
              "properties": {
                "id": {
                  "description": "CVE identifier e.g. CVE-2023-38802",
                  "type": "string"
                }
              },
              "required": [
                "id"
              ],
              "type": "object"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {
              "type": "object"
            },
            "type": {
              "type": "string"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  }
}

curl "https://ot-intel-api.onrender.com/ot/cve"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

const res = await fetch("https://ot-intel-api.onrender.com/ot/cve");
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://ot-intel-api.onrender.com/ot/cve")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header