{
  "fix": "DEBIAN-CVE-2026-37236",
  "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-37236",
  "summary": "DEBIAN-CVE-2026-37236, released September 2, 2026, fixes 1 CVE in golang-github-grpc-ecosystem-grpc-gateway (version 2.30.0-1). None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "golang-github-grpc-ecosystem-grpc-gateway security update",
  "released": "2026-09-02T01:26:09Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2026-37236, high severity",
  "supported": true,
  "cveCount": 1,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00434,
  "maxCvss": 9.8,
  "vendorAdvisory": "https://security-tracker.debian.org/tracker/CVE-2026-37236",
  "appliesTo": [
    {
      "product": "golang-github-grpc-ecosystem-grpc-gateway",
      "productUrl": "https://patchblox.com/security/product/linux/golang-github-grpc-ecosystem-grpc-gateway",
      "release": "Debian 14",
      "fixedVersion": "2.30.0-1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-37236",
      "url": "https://patchblox.com/security/cve/CVE-2026-37236",
      "title": "grpc-gateway v2.28.0 is vulnerable to Incorrect Access Control. The application processes the X-HTTP-Method-Override header in ServeMux.ServeHTTP without restricting allowed methods. When a POST request with Content-Type application/x-www-form-urlencoded includes this header, the request method is rewritten to an arbitrary attacker-supplied value before routing. This allows bypassing method-based access controls enforced by upstream proxies or WAFs.",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 9.8,
      "epss": 0.00434,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-09T13:31:49Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}