{"id":"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.","aliases":["GHSA-j5r2-4c8j-xc3m","GO-2026-5448"],"modified":"2026-07-31T18:30:39.424996154Z","published":"2026-07-03T20:19:33.452Z","related":["openSUSE-SU-2026:21483-1"],"database_specific":{"cwe_ids":["CWE-601"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/25xxx/CVE-2026-25779.json","cna_assigner":"Gitea"},"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"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/go-gitea/gitea","events":[{"introduced":"0"},{"fixed":"f913d90ab664c1deccdfbe8c563abb13e897d62b"}],"database_specific":{"source":["AFFECTED_FIELD","REFERENCES"],"extracted_events":[{"introduced":"0"},{"last_affected":"1.25.4"}]}}],"versions":["v1.25.4","v1.25.3","v1.25.2","v1.25.1","v1.25.0","v1.25.0-rc0","v1.26.0-dev","v1.25.0-dev","v1.24.0-dev","v1.22.0-rc1","v1.23.0-dev","v1.22.0-rc0","v1.21.0-rc0","v1.22.0-dev","v1.20.0-rc0","v1.21.0-dev","v1.20.0-dev","v1.19.0-rc0","v1.18.0-rc0","v1.19.0-dev","v1.18.0-dev","v1.17.0-dev","v1.16.0-rc1","v1.15.0-rc1","v1.16.0-dev","v1.15.0-dev","v1.14.0-dev","v1.13.0-dev","v1.12.0-dev","v1.10.5","v1.11.0-rc1","v1.10.0-rc1","v1.11.0-dev","v1.9.0-rc1","v1.10.0-dev","v1.9.0-dev","v1.7.0-dev","v1.6.0-rc1","v1.6.0-dev","v1.5.0-rc1","v1.5.0-dev","v1.1.0","v1.0.0","v0.9.99"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-25779.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}]}