CVE-2026-109844

{
  "etk_id": "ETK-2026-2135",
  "cve_id": "CVE-2026-109844",
  "display_id": "CVE-2026-109844",
  "ghsa_id": "GHSA-96gv-2xc4-4hxj",
  "euvd_id": "EUVD-2026-103988",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Authorization bypass in Gitea watched repositories API",
  "summary": "Affected Gitea versions can expose metadata for private repositories through the watched-repositories API after a user’s repository access has been revoked. An authenticated user must have previously watched the repository while authorized, then lose access, to retrieve its identifying and connection metadata.",
  "mitigation": "Upgrade Gitea to version 1.27.0 or 28.0.0, as applicable. Until upgraded, review and remove stale repository watches for users whose access has changed.",
  "vendor": "Gitea",
  "product": "Gitea",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "<= 1.26.4"
      ],
      "ecosystem": "go",
      "fixed_versions": [
        "1.27.0"
      ],
      "package_name": "gitea.dev",
      "purl": "pkg:golang/gitea.dev"
    }
  ],
  "cwes": [
    862
  ],
  "cvss_score": 4.3,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
  "epss_score": 0.002,
  "epss_percentile": 0.0919,
  "epss_asof": "2026-10-20",
  "automation": "deterministic",
  "check": true,
  "check_confidence_basis": "differential",
  "exploit": false,
  "pipeline_minutes": 14.751267916666666,
  "t0_at": "2026-10-18T18:57:08.476000+00:00",
  "signals": {
    "check": {
      "at": "2026-10-20T07:48:47.786702+00:00",
      "days": 1.5358716516435185,
      "is_lower_bound": false,
      "measured_at": "2026-10-18T18:57:08.476000+00:00",
      "url": null
    },
    "trigger_signal": {
      "at": "2026-10-18T18:57:08.476000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-18T18:57:08.476000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-109844"
    }
  }
}