{"id":"CVE-2026-66874","aliases":["EUVD-2026-101088","GHSA-5xp7-r6cr-39ff"],"status":"published","title":"Gitea required Actions check bypass through skipped workflows","description":"For pull request events, Gitea reads workflow definitions from the pull request head and posts a synthetic skipped status when workflow branch or path filters exclude execution. A fork pull request author can supply a workflow matching a required status context but deliberately prevent it from running. Because skipped statuses count as success, branch protection or organization-required workflow checks can appear satisfied without the mandated workflow executing; no runner or maintainer approval is required for this path.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-09","score":0.00262,"percentile":0.18066,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-284","CWE-345","CWE-693","CWE-807"],"published":"2026-10-14T14:36:06Z","modified":"2026-10-28T02:30:52Z","products":[{"vendor":"gitea","product":"gitea"}],"references":[{"url":"https://github.com/go-gitea/gitea/security/advisories/GHSA-5xp7-r6cr-39ff","tags":["vendor-advisory","advisory"]},{"url":"https://blog.gitea.com/release-of-1.27.3/","tags":["release-notes","advisory"]},{"url":"https://github.com/go-gitea/gitea/pull/39005","tags":["patch","fix"]},{"url":"https://github.com/go-gitea/gitea/pull/39018","tags":["patch","fix"]},{"url":"https://github.com/go-gitea/gitea/releases/tag/v1.27.3","tags":["release-notes","advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/66xxx/CVE-2026-66874.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-66874","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-66874","title":"Gitea required Actions check bypass through skipped workflows","description":"For pull request events, Gitea reads workflow definitions from the pull request head and posts a synthetic skipped status when workflow branch or path filters exclude execution. A fork pull request author can supply a workflow matching a required status context but deliberately prevent it from running. Because skipped statuses count as success, branch protection or organization-required workflow checks can appear satisfied without the mandated workflow executing; no runner or maintainer approval is required for this path.","status":"published","published":"2026-10-14T14:36:06.09Z","modified":"2026-10-14T15:12:51.792Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-284","CWE-345","CWE-693","CWE-807"],"updated_at":"2026-11-02T14:20:12.939084Z"}],"euvd":[{"id":"EUVD-2026-101088","description":"For pull request events, Gitea reads workflow definitions from the pull request head and posts a synthetic skipped status when workflow branch or path filters exclude execution. A fork pull request author can supply a workflow matching a required status context but deliberately prevent it from running. Because skipped statuses count as success, branch protection or organization-required workflow checks can appear satisfied without the mandated workflow executing; no runner or maintainer approval is required for this path.","status":"published","published":"2026-10-14T14:36:06Z","modified":"2026-10-14T15:12:51Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T17:27:15.108271Z"}],"nvd":[{"id":"CVE-2026-66874","description":"For pull request events, Gitea reads workflow definitions from the pull request head and posts a synthetic skipped status when workflow branch or path filters exclude execution. A fork pull request author can supply a workflow matching a required status context but deliberately prevent it from running. Because skipped statuses count as success, branch protection or organization-required workflow checks can appear satisfied without the mandated workflow executing; no runner or maintainer approval is required for this path.","status":"published","published":"2026-10-14T15:17:21.76Z","modified":"2026-10-14T16:17:50.407Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-284","CWE-345","CWE-693","CWE-807"],"updated_at":"2026-11-02T14:12:58.99337Z"}],"osv":[{"id":"CVE-2026-66874","title":"Gitea required Actions check bypass through skipped workflows","description":"For pull request events, Gitea reads workflow definitions from the pull request head and posts a synthetic skipped status when workflow branch or path filters exclude execution. A fork pull request author can supply a workflow matching a required status context but deliberately prevent it from running. Because skipped statuses count as success, branch protection or organization-required workflow checks can appear satisfied without the mandated workflow executing; no runner or maintainer approval is required for this path.","status":"published","published":"2026-10-14T14:36:06.09Z","modified":"2026-10-28T02:30:52.212623218Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-284","CWE-345","CWE-693","CWE-807"],"updated_at":"2026-11-02T15:45:14.46177Z"}]}}