CVE-2026-111704

{
  "etk_id": "ETK-2026-1804",
  "cve_id": "CVE-2026-111704",
  "display_id": "CVE-2026-111704",
  "ghsa_id": "GHSA-hgqj-chvw-c4p5",
  "euvd_id": "EUVD-2026-102996",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Missing REST API authentication in LangChat",
  "summary": "LangChat revisions through commit 2a6285a do not enforce authentication on REST controller endpoints. A remote attacker able to reach the service may access credential material, create privileged accounts, or alter and delete application data.",
  "mitigation": "Immediately restrict access to LangChat REST endpoints to trusted networks and place them behind an authentication-enforcing gateway where possible. Rotate user passwords and LLM provider API keys for any instance that may have been exposed.",
  "vendor": "LangChat",
  "product": "langchat",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 0, <= 2a6285a6b8c51d51cdc599771bb667a30bc03f5c"
      ],
      "ecosystem": null,
      "fixed_versions": [],
      "package_name": "langchat",
      "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": 0.0051,
  "epss_percentile": 0.4223,
  "epss_asof": "2026-10-20",
  "automation": "deterministic",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 96.73612256666667,
  "t0_at": "2026-10-16T17:39:56.489000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-10-16T17:39:56.489000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-16T17:39:56.489000+00:00",
      "url": "https://github.com/advisories/GHSA-hgqj-chvw-c4p5"
    }
  }
}