{"id":"CVE-2026-73814","state":"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.","publishedAt":"2026-10-14T14:38:05.476Z","updatedAt":"2026-10-18T13:41:38.796Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H","source":"CISA-ADP"},"assigner":"Gitea","products":["Gitea Gitea"],"affected":[{"vendor":"Gitea","product":"Gitea","packageName":"gitea.dev","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"1.27.1","versionType":"semver"}]}],"references":["https://github.com/go-gitea/gitea/security/advisories/GHSA-h62v-wmrr-5qjq","https://blog.gitea.com/release-of-1.27.2/","https://github.com/go-gitea/gitea/pull/38894","https://github.com/go-gitea/gitea/pull/38895","https://github.com/go-gitea/gitea/releases/tag/v1.27.2"],"weaknesses":["CWE-266"],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/73xxx/CVE-2026-73814.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-73814","state":"PUBLISHED","datePublished":"2026-10-14T14:38:05.476Z","dateUpdated":"2026-10-18T13:41:38.796Z","assignerShortName":"Gitea","assignerOrgId":"88ee5874-cf24-4952-aea0-31affedb7ff2","dateReserved":"2026-08-13T16:50:59.736Z"},"containers":{"cna":{"title":"Gitea repository ownership escalation by administrators","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"Gitea","product":"Gitea","packageName":"gitea.dev","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"1.27.1","versionType":"semver"}]}],"references":[{"url":"https://github.com/go-gitea/gitea/security/advisories/GHSA-h62v-wmrr-5qjq","name":"GitHub Security Advisory GHSA-h62v-wmrr-5qjq","tags":["vendor-advisory"]},{"url":"https://blog.gitea.com/release-of-1.27.2/","name":"Gitea 1.27.2 release announcement","tags":["release-notes"]},{"url":"https://github.com/go-gitea/gitea/pull/38894","name":"Fix: go-gitea/gitea pull request #38894","tags":["patch"]},{"url":"https://github.com/go-gitea/gitea/pull/38895","name":"Fix: go-gitea/gitea pull request #38895","tags":["patch"]},{"url":"https://github.com/go-gitea/gitea/releases/tag/v1.27.2","name":"go-gitea/gitea v1.27.2 release","tags":["release-notes"]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-266","lang":"en","type":"CWE","description":"CWE-266: Incorrect Privilege Assignment"}]}],"providerMetadata":{"shortName":"Gitea","orgId":"88ee5874-cf24-4952-aea0-31affedb7ff2","dateUpdated":"2026-10-14T14:38:05.476Z"},"credits":[{"lang":"en","value":"https://github.com/martindukek","type":"reporter"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":6.5,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"HIGH","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-10-18T13:41:14.726370Z","id":"CVE-2026-73814","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-18T13:41:38.796Z"}}]}}}