{"id":"GHSA-4c8f-3m6h-m56r","summary":"Gitea primary email ownership bypass allows cross-user email changes","details":"Gitea versions before 1.25.5 allow a user to change another user's primary email address.","aliases":["CVE-2026-27657","GO-2026-6335"],"modified":"2026-09-02T19:55:58.130644500Z","published":"2026-07-03T21:31:37Z","database_specific":{"cwe_ids":["CWE-639"],"severity":"HIGH","github_reviewed":true,"github_reviewed_at":"2026-09-01T17:21:17Z","nvd_published_at":"2026-07-03T21:16:58Z"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27657"},{"type":"WEB","url":"https://github.com/go-gitea/gitea/pull/36586"},{"type":"WEB","url":"https://github.com/go-gitea/gitea/pull/36607"},{"type":"WEB","url":"https://github.com/go-gitea/gitea/commit/8d26ea93738430a57d00c2da0fd97e1ba712eed7"},{"type":"WEB","url":"https://github.com/go-gitea/gitea/commit/e927a86586afc138959b462d4040d1547f406f71"},{"type":"WEB","url":"https://blog.gitea.com/release-of-1.25.5"},{"type":"PACKAGE","url":"https://github.com/go-gitea/gitea"},{"type":"WEB","url":"https://github.com/go-gitea/gitea/releases/tag/v1.25.5"}],"affected":[{"package":{"name":"code.gitea.io/gitea","ecosystem":"Go","purl":"pkg:golang/code.gitea.io/gitea"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.25.5"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/07/GHSA-4c8f-3m6h-m56r/GHSA-4c8f-3m6h-m56r.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"}]}