CVE-2026-86532

{
  "etk_id": "ETK-2026-4065",
  "cve_id": "CVE-2026-86532",
  "display_id": "CVE-2026-86532",
  "ghsa_id": "GHSA-r4rg-8p66-xx49",
  "euvd_id": "EUVD-2026-121213",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Username enumeration and timing leak in Apache TomEE JAAS",
  "summary": "Apache TomEE deployments using the bundled JAAS login modules may disclose whether an account name is valid and expose credential-related timing differences. A remote unauthenticated attacker can use the login behavior for account discovery and timing-based inference when the affected authentication path is reachable.",
  "mitigation": "Upgrade the affected TomEE/OpenEJB core package to a fixed release: 10.0.0-M1, 10.3.0, or 11.0.0-M2, as appropriate for your deployment. Restrict access to exposed authentication endpoints until the upgrade is complete.",
  "vendor": "Apache Software Foundation",
  "product": "Apache TomEE",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 4.0.0-beta-1, <= 4.7.5"
      ],
      "ecosystem": null,
      "fixed_versions": [],
      "package_name": "org.apache.openejb:openejb-core",
      "purl": null
    },
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 7.0.0-M1, < 10.0.0-M1",
        ">= 10.0.0-M1, < 10.3.0",
        ">= 11.0.0-M1, < 11.0.0-M2"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "10.0.0-M1",
        "10.3.0",
        "11.0.0-M2"
      ],
      "package_name": "org.apache.tomee:openejb-core",
      "purl": null
    }
  ],
  "cwes": [
    203
  ],
  "cvss_score": null,
  "cvss_src": null,
  "cvss_vector": null,
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 20.278449566666666,
  "t0_at": "2026-11-10T14:53:27.146000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-11-10T14:53:27.146000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-11-10T14:53:27.146000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-86532"
    }
  }
}