CVE-2026-126777

{
  "etk_id": "ETK-2026-4206",
  "cve_id": "CVE-2026-126777",
  "display_id": "CVE-2026-126777",
  "ghsa_id": null,
  "euvd_id": "EUVD-2026-123771",
  "status": "published",
  "anchor_state": "anchored",
  "title": "LDAP authentication bypass in Traccar",
  "summary": "Traccar versions 3.15 through 6.16.x can permit authentication without a password when LDAP authentication is enabled. An unauthenticated attacker who knows a valid username may obtain a session for that account, including an administrative account, if the configured directory accepts unauthenticated binds.",
  "mitigation": "Upgrade Traccar to version 6.17.0 or later. Until upgraded, disable LDAP authentication or configure the LDAP directory to reject unauthenticated binds.",
  "vendor": "Traccar",
  "product": "Traccar",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 3.15, < 6.17.0"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "6.17.0"
      ],
      "package_name": "Traccar",
      "purl": null
    }
  ],
  "cwes": [
    287
  ],
  "cvss_score": 9.1,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N",
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "deterministic",
  "check": true,
  "check_confidence_basis": "differential",
  "exploit": false,
  "pipeline_minutes": 14.449987766666666,
  "t0_at": "2026-11-11T18:41:09.011000+00:00",
  "signals": {
    "check": {
      "at": "2026-11-11T19:47:02.678142+00:00",
      "days": 0.04576003636574074,
      "is_lower_bound": false,
      "measured_at": "2026-11-11T18:41:09.011000+00:00",
      "url": null
    },
    "trigger_signal": {
      "at": "2026-11-11T18:41:09.011000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-11-11T18:41:09.011000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-126777"
    }
  }
}