{
  "crds_version": "0.1",
  "kind": "base",
  "id": "crds:cve-2026-94127",
  "revision": 1,
  "title": "F5 BIG-IP APM — OAuth heap overflow to unauthenticated RCE",
  "summary": "When F5's Access Policy Manager (APM) runs as an OAuth authorization server on a virtual server, crafted traffic overflows a heap buffer and gives an unauthenticated attacker remote code execution on the appliance.",
  "source_type": "cve",
  "severity": "critical",
  "cvss": {
    "score": 9.3,
    "vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
    "version": "4.0"
  },
  "exploitation": {
    "known_exploited": true,
    "exploit_available": false,
    "attack_complexity": "low",
    "kev_added": "2026-09-22",
    "prerequisites": "Network reach to a virtual server with an access policy and an OAuth authorization server profile; no credentials needed."
  },
  "mitre_attack": [
    "T1190"
  ],
  "kill_chain": "initial_access",
  "recommended_action": "Patch BIG-IP per F5 article K000162605 now. Deployments using APM only as an OAuth client or resource server are unaffected; confirm your profiles first.",
  "confidence": "medium",
  "provenance": [
    {
      "fields": [
        "cvss",
        "exploitation.attack_complexity",
        "exploitation.exploit_available",
        "references",
        "published_at"
      ],
      "source": "https://nvd.nist.gov/vuln/detail/CVE-2026-94127",
      "retrieved_at": "2026-09-23T07:33:20.707Z",
      "confidence": "high",
      "extractor": "scrty-crds-pipeline/0.1"
    },
    {
      "fields": [
        "exploitation.known_exploited",
        "exploitation.kev_added"
      ],
      "source": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "retrieved_at": "2026-09-23T07:33:20.707Z",
      "confidence": "high",
      "extractor": "scrty-crds-pipeline/0.1"
    },
    {
      "fields": [
        "title",
        "summary",
        "severity",
        "remediation",
        "mitre_attack",
        "kill_chain",
        "recommended_action",
        "confidence",
        "tags",
        "exploitation.prerequisites"
      ],
      "source": "https://nvd.nist.gov/vuln/detail/CVE-2026-94127",
      "retrieved_at": "2026-09-23T07:33:20.707Z",
      "confidence": "high",
      "extractor": "claude-code"
    }
  ],
  "references": [
    {
      "type": "cve",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-94127",
      "label": "NVD record"
    },
    {
      "type": "cisa",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "label": "CISA Known Exploited Vulnerabilities catalog"
    }
  ],
  "published_at": "2026-09-22T15:17:24.313Z",
  "issued_at": "2026-09-23T07:33:20.707Z",
  "tags": [
    "f5",
    "big-ip",
    "apm",
    "oauth",
    "remote-code-execution",
    "kev"
  ]
}