CVE-2026-94127

{
  "etk_id": "ETK-2026-199",
  "cve_id": "CVE-2026-94127",
  "display_id": "CVE-2026-94127",
  "ghsa_id": null,
  "euvd_id": "EUVD-2026-84427",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Unauthenticated code execution in BIG-IP APM OAuth authorization",
  "summary": "BIG-IP deployments using APM as an OAuth Authorization Server with an access policy on a virtual server are affected. An unauthenticated remote attacker may execute code through the data plane; control-plane access is not implicated. Configurations used only as OAuth clients or resource servers are not affected.",
  "mitigation": "Install the applicable hotfix: Hotfix-BIGIP-21.1.0.2.0.30.22-ENG, Hotfix-BIGIP-17.5.1.9.0.160.12-ENG, or Hotfix-BIGIP-17.1.3.5.0.41.14-ENG. Until patched, remove or disable OAuth Authorization Server profiles from exposed APM virtual servers where operationally feasible.",
  "vendor": "f5",
  "product": "BIG-IP",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 21.1.0, < Hotfix-BIGIP-21.1.0.2.0.30.22-ENG",
        ">= 17.5.0, < Hotfix-BIGIP-17.5.1.9.0.160.12-ENG",
        ">= 17.1.0, < Hotfix-BIGIP-17.1.3.5.0.41.14-ENG"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "Hotfix-BIGIP-21.1.0.2.0.30.22-ENG",
        "Hotfix-BIGIP-17.5.1.9.0.160.12-ENG",
        "Hotfix-BIGIP-17.1.3.5.0.41.14-ENG"
      ],
      "package_name": "BIG-IP",
      "purl": null
    }
  ],
  "cwes": [
    122
  ],
  "cvss_score": 9.8,
  "cvss_src": "nvd",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
  "epss_score": 0.0223,
  "epss_percentile": 0.8248,
  "epss_asof": "2026-10-20",
  "automation": "contextual",
  "check": true,
  "check_confidence_basis": "assessed",
  "exploit": false,
  "pipeline_minutes": 11.397169516666667,
  "t0_at": "2026-09-22T14:17:42.730000+00:00",
  "signals": {
    "check": {
      "at": "2026-10-02T00:13:08.931903+00:00",
      "days": 9.413497707210649,
      "is_lower_bound": false,
      "measured_at": "2026-09-22T14:17:42.730000+00:00",
      "url": null
    },
    "kev": {
      "at": "2026-09-22T19:02:09.978800+00:00",
      "days": 0.19753760185185185,
      "is_lower_bound": false,
      "measured_at": "2026-09-22T14:17:42.730000+00:00",
      "precision": "exact",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2026-94127"
    },
    "public_poc": {
      "at": "2026-09-24T19:22:13+00:00",
      "days": 2.2114614583333334,
      "is_lower_bound": false,
      "measured_at": "2026-09-22T14:17:42.730000+00:00",
      "url": "https://github.com/watchtowrlabs/watchTowr-vs-f5-bigip-PreAuth-RCE-CVE-2026-94127"
    },
    "trigger_signal": {
      "at": "2026-09-22T00:00:00+00:00",
      "days": -0.5956334490740741,
      "is_lower_bound": false,
      "measured_at": "2026-09-22T14:17:42.730000+00:00",
      "url": "https://euvd.enisa.europa.eu/enisa/EUVD-2026-84427"
    }
  }
}