{"id":"CVE-2026-25779","aliases":["GHSA-j5r2-4c8j-xc3m","GO-2026-5448"],"url":"https://o3.security/vulnerability/CVE-2026-25779","summary":"Gitea redirect handling permits open redirects through backslash paths","details":"Gitea versions up to and including 1.25.4 allow redirect bypasses through raw or percent-encoded backslashes in redirect_to values.","published":"2026-07-03T20:19:33.452Z","modified":"2026-08-12T03:51:14.910575015Z","cvss":{"score":6.1,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},"epss":{"score":0.00344,"percentile":0.27185,"asOf":"2026-09-02"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/go-gitea/gitea","fixedVersion":"1.26.0"}],"fix":{"url":"https://github.com/go-gitea/gitea/pull/36660","label":"go-gitea/gitea#36660"},"references":[{"type":"ADVISORY","url":"https://blog.gitea.com/release-of-1.25.5/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/25xxx/CVE-2026-25779.json"},{"type":"ADVISORY","url":"https://github.com/go-gitea/gitea/releases/tag/v1.25.5"},{"type":"ADVISORY","url":"https://github.com/go-gitea/gitea/security/advisories/GHSA-j5r2-4c8j-xc3m"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-25779"},{"type":"FIX","url":"https://github.com/go-gitea/gitea/pull/36660"},{"type":"FIX","url":"https://github.com/go-gitea/gitea/pull/36716"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:14.910575015Z"}}