CVE-2026-123550

{
  "etk_id": "ETK-2026-3876",
  "cve_id": "CVE-2026-123550",
  "display_id": "CVE-2026-123550",
  "ghsa_id": "GHSA-f9mm-fxrq-6c5v",
  "euvd_id": "EUVD-2026-119435",
  "status": "published",
  "anchor_state": "anchored",
  "title": "OpenAM SAML assertion signature authentication bypass",
  "summary": "OpenAM versions earlier than 16.1.4 can fail to enforce SAML assertion signatures in the service-provider flow for ECP/PAOS and HTTP-Artifact bindings. A remote unauthenticated attacker may impersonate mapped users, including privileged accounts, when signature enforcement is disabled.",
  "mitigation": "Upgrade OpenAM to version 16.1.4 or later. Until upgraded, require signed SAML assertions and disable the affected bindings where they are not needed.",
  "vendor": "OpenIdentityPlatform",
  "product": "OpenAM",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 0, < 16.1.4"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "16.1.4"
      ],
      "package_name": "OpenAM",
      "purl": null
    }
  ],
  "cwes": null,
  "cvss_score": 9.8,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 58.12901005,
  "t0_at": "2026-11-08T01:37:54.178000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-11-08T01:37:54.178000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-11-08T01:37:54.178000+00:00",
      "url": "https://github.com/advisories/GHSA-f9mm-fxrq-6c5v"
    }
  }
}