{"id":"CVE-2026-20904","state":"PUBLISHED","title":"Gitea: Broken access control in OpenID visibility toggle enables cross-user visibility changes","description":"Gitea does not properly validate ownership when toggling OpenID URI visibility. An authenticated user may be able to change the visibility settings of other users' OpenID identities.","publishedAt":"2026-01-22T22:01:51.762Z","updatedAt":"2026-01-23T21:53:53.397Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","source":"CISA-ADP"},"assigner":"Gitea","products":["Gitea Gitea Open Source Git Server"],"affected":[{"vendor":"Gitea","product":"Gitea Open Source Git Server","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"1.25.3","versionType":"semver"}]}],"references":["https://github.com/go-gitea/gitea/security/advisories/GHSA-jrpc-w85r-hgqx","https://github.com/go-gitea/gitea/pull/36346","https://github.com/go-gitea/gitea/pull/36361","https://github.com/go-gitea/gitea/releases/tag/v1.25.4","https://blog.gitea.com/release-of-1.25.4/"],"weaknesses":["CWE-284","CWE-639"],"ingestedAt":"2026-10-29T20:11:10.572Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/20xxx/CVE-2026-20904.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-20904","state":"PUBLISHED","datePublished":"2026-01-22T22:01:51.762Z","dateUpdated":"2026-01-23T21:53:53.397Z","assignerShortName":"Gitea","assignerOrgId":"88ee5874-cf24-4952-aea0-31affedb7ff2","dateReserved":"2026-01-08T23:02:37.537Z"},"containers":{"cna":{"title":"Gitea: Broken access control in OpenID visibility toggle enables cross-user visibility changes","descriptions":[{"lang":"en","value":"Gitea does not properly validate ownership when toggling OpenID URI visibility. An authenticated user may be able to change the visibility settings of other users' OpenID identities."}],"affected":[{"vendor":"Gitea","product":"Gitea Open Source Git Server","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"1.25.3","versionType":"semver"}]}],"references":[{"url":"https://github.com/go-gitea/gitea/security/advisories/GHSA-jrpc-w85r-hgqx","name":"GitHub Security Advisory","tags":["vendor-advisory"]},{"url":"https://github.com/go-gitea/gitea/pull/36346","name":"GitHub Pull Request #36346","tags":["patch"]},{"url":"https://github.com/go-gitea/gitea/pull/36361","name":"GitHub Pull Request #36361","tags":["patch"]},{"url":"https://github.com/go-gitea/gitea/releases/tag/v1.25.4","name":"Gitea v1.25.4 Release","tags":["release-notes"]},{"url":"https://blog.gitea.com/release-of-1.25.4/","name":"Gitea v1.25.4 Release Blog Post","tags":["release-notes"]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-284","description":"CWE-284: Improper Access Control","lang":"en","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-639","description":"CWE-639: Authorization Bypass Through User-Controlled Key","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"Gitea","orgId":"88ee5874-cf24-4952-aea0-31affedb7ff2","dateUpdated":"2026-01-22T22:01:51.762Z"},"credits":[{"lang":"en","value":"spingARbor","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:L/UI:N/S:U/C:N/I:H/A:N","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-01-23T17:52:05.088654Z","id":"CVE-2026-20904","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":"2026-01-23T21:53:53.397Z"}}]}}}