{"id":"GO-2026-6342","revision":"537f12a42d1240cfb44c44176869ec9e","records":[{"revision":"537f12a42d1240cfb44c44176869ec9e","observedAt":"2026-10-24T13:19:41.952+00:00","statement":{"source":"osv","id":"GO-2026-6342","aliases":["CVE-2026-26247","GHSA-m5ch-ppfx-xv3v"],"title":"Gitea OAuth2 PKCE S256 verifier bypass in code.gitea.io/gitea","description":"Gitea OAuth2 PKCE S256 verifier bypass in code.gitea.io/gitea","state":0,"publishedAt":"2026-09-02T18:37:32+00:00","modifiedAt":"2026-09-02T19:30:09.2141419+00:00","affected":[{"ecosystem":"Go","name":"code.gitea.io/gitea","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"1.25.5"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[],"references":["https://github.com/advisories/GHSA-m5ch-ppfx-xv3v","https://nvd.nist.gov/vuln/detail/CVE-2026-26247","https://blog.gitea.com/release-of-1.25.5","https://github.com/go-gitea/gitea/commit/750649c1ef092c95f95b206b9d5fa17471a0b1f5","https://github.com/go-gitea/gitea/commit/bf8d11bb212ba2a76596d8a90e74e7d664571324","https://github.com/go-gitea/gitea/pull/36462","https://github.com/go-gitea/gitea/pull/36477","https://github.com/go-gitea/gitea/releases/tag/v1.25.5"],"sourceUrl":"https://osv.dev/vulnerability/GO-2026-6342","license":"OSV · upstream source license applies","key":"osv:GO-2026-6342","identifiers":["GO-2026-6342","CVE-2026-26247","GHSA-m5ch-ppfx-xv3v"]},"retained":false,"historicalAffected":[]}],"coverage":[]}