{"id":"CVE-2026-26232","aliases":["GHSA-5v69-g2m3-3hq3","GO-2026-6336"],"url":"https://o3.security/vulnerability/CVE-2026-26232","summary":"Gitea OAuth2 authorization codes lack expiry and reuse enforcement","details":"Gitea versions before 1.25.5 do not consistently enforce OAuth2 authorization code expiry and single-use behavior during token exchange.","published":"2026-07-03T20:19:34.473Z","modified":"2026-09-29T18:26:39.936114512Z","cvss":{"score":9.1,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"},"epss":{"score":0.00495,"percentile":0.41278,"asOf":"2026-09-16"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"code.gitea.io/gitea","fixedVersion":"1.25.5"}],"fix":{"url":"https://github.com/go-gitea/gitea/pull/36797","label":"go-gitea/gitea#36797"},"references":[{"type":"ADVISORY","url":"https://blog.gitea.com/release-of-1.25.5/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/26xxx/CVE-2026-26232.json"},{"type":"ADVISORY","url":"https://github.com/go-gitea/gitea/releases/tag/v1.25.5"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-26232"},{"type":"FIX","url":"https://github.com/go-gitea/gitea/pull/36797"},{"type":"FIX","url":"https://github.com/go-gitea/gitea/pull/36851"},{"type":"WEB","url":"https://github.com/go-gitea/gitea/commit/413074b1e1dc5718b4865b9493d8cc97e1e128de"},{"type":"WEB","url":"https://github.com/go-gitea/gitea/commit/f3bdcc58aff60b66eba7bd5e9b23457441733dfe"},{"type":"WEB","url":"https://blog.gitea.com/release-of-1.25.5"},{"type":"PACKAGE","url":"https://github.com/go-gitea/gitea"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-29T18:26:39.936114512Z"}}