CVE-2026-100254

{
  "etk_id": "ETK-2026-160",
  "cve_id": "CVE-2026-100254",
  "display_id": "CVE-2026-100254",
  "ghsa_id": "GHSA-6h2c-wm78-7wv3",
  "euvd_id": "EUVD-2026-89998",
  "status": "published",
  "anchor_state": "anchored",
  "title": "CRLF injection in TeamCity Pipeline Git connection settings",
  "summary": "TeamCity versions earlier than 2026.2, 2026.1.4, and 2025.11.8 are affected in Pipeline Git connection settings. An authenticated user may execute commands on a Windows-hosted TeamCity server.",
  "mitigation": "Upgrade TeamCity to 2026.2, 2026.1.4, or 2025.11.8 as appropriate for the release line in use. Restrict access to trusted authenticated users until the update is applied.",
  "vendor": "JetBrains",
  "product": "TeamCity",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 0, < 2026.2",
        "2026.1.4",
        "2025.11.8"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "2026.2",
        "2026.1.4",
        "2025.11.8"
      ],
      "package_name": "TeamCity",
      "purl": null
    }
  ],
  "cwes": null,
  "cvss_score": 8.8,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
  "epss_score": 0.0047,
  "epss_percentile": 0.3949,
  "epss_asof": "2026-10-20",
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 77.24958428333333,
  "t0_at": "2026-09-30T15:17:45.316000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-09-30T15:17:45.316000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-09-30T15:17:45.316000+00:00",
      "url": "https://github.com/advisories/GHSA-6h2c-wm78-7wv3"
    }
  }
}