{"id":"CVE-2026-73814","aliases":["EUVD-2026-101109","GHSA-h62v-wmrr-5qjq"],"status":"published","title":"Gitea repository ownership escalation by administrators","description":"Gitea's collaboration access-mode endpoint accepts the Owner access mode from an authenticated repository collaborator with Admin access. The collaborator can promote their effective permissions from Admin to Owner and then perform owner-only operations, including transferring the repository to their own account. This bypasses the intended boundary between repository administration and ownership.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.00466,"percentile":0.4083,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-266"],"published":"2026-10-14T14:38:05Z","modified":"2026-10-28T02:30:32Z","products":[{"vendor":"gitea","product":"gitea"}],"references":[{"url":"https://github.com/go-gitea/gitea/security/advisories/GHSA-h62v-wmrr-5qjq","tags":["vendor-advisory","advisory"]},{"url":"https://blog.gitea.com/release-of-1.27.2/","tags":["release-notes","advisory"]},{"url":"https://github.com/go-gitea/gitea/pull/38894","tags":["patch","fix"]},{"url":"https://github.com/go-gitea/gitea/pull/38895","tags":["patch","fix"]},{"url":"https://github.com/go-gitea/gitea/releases/tag/v1.27.2","tags":["release-notes","advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/73xxx/CVE-2026-73814.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-73814","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-73814","title":"Gitea repository ownership escalation by administrators","description":"Gitea's collaboration access-mode endpoint accepts the Owner access mode from an authenticated repository collaborator with Admin access. The collaborator can promote their effective permissions from Admin to Owner and then perform owner-only operations, including transferring the repository to their own account. This bypasses the intended boundary between repository administration and ownership.","status":"published","published":"2026-10-14T14:38:05.476Z","modified":"2026-10-18T13:41:38.796Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H","level":"medium","assessor":"adp"}],"cwes":["CWE-266"],"updated_at":"2026-11-02T13:43:33.766176Z"}],"euvd":[{"id":"EUVD-2026-101109","description":"Gitea's collaboration access-mode endpoint accepts the Owner access mode from an authenticated repository collaborator with Admin access. The collaborator can promote their effective permissions from Admin to Owner and then perform owner-only operations, including transferring the repository to their own account. This bypasses the intended boundary between repository administration and ownership.","status":"published","published":"2026-10-14T14:38:05Z","modified":"2026-10-18T13:41:38Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H","level":"medium"}],"updated_at":"2026-11-02T17:00:00.51681Z"}],"nvd":[{"id":"CVE-2026-73814","description":"Gitea's collaboration access-mode endpoint accepts the Owner access mode from an authenticated repository collaborator with Admin access. The collaborator can promote their effective permissions from Admin to Owner and then perform owner-only operations, including transferring the repository to their own account. This bypasses the intended boundary between repository administration and ownership.","status":"published","published":"2026-10-14T15:17:24.91Z","modified":"2026-10-18T14:16:56.107Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-266"],"updated_at":"2026-11-02T14:12:58.99337Z"}],"osv":[{"id":"CVE-2026-73814","title":"Gitea repository ownership escalation by administrators","description":"Gitea's collaboration access-mode endpoint accepts the Owner access mode from an authenticated repository collaborator with Admin access. The collaborator can promote their effective permissions from Admin to Owner and then perform owner-only operations, including transferring the repository to their own account. This bypasses the intended boundary between repository administration and ownership.","status":"published","published":"2026-10-14T14:38:05.476Z","modified":"2026-10-28T02:30:32.407982993Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H","level":"medium"}],"cwes":["CWE-266"],"updated_at":"2026-11-02T15:45:16.365946Z"}]}}