CVE-2026-26247
Gitea OAuth2 PKCE S256 verifier bypass
Einstufung nach Quelle
Trivys eigenes Label ist CRITICAL. Kritisch laut GHSA.
Beschreibung
Gitea versions before 1.25.5 do not persist the OAuth2 PKCE S256 challenge method correctly during authorization, allowing token exchange without the expected verifier check.
Betroffene Pakete und behobene Versionen
| Quelle | Paket | Behoben in |
|---|---|---|
| go::GitHub Security Advisory Go | code.gitea.io/gitea | 1.25.5 |
| rapidfort alpine 3.20 | gitea | 1.27.1-r0 |
| rapidfort alpine 3.21 | gitea | 1.27.1-r0 |
| rapidfort alpine 3.22 | gitea | 1.27.1-r0 |
| rapidfort alpine 3.23 | gitea | 1.27.1-r0 |
| rapidfort alpine 3.24 | gitea | 1.27.1-r0 |
Referenzen
- https://blog.gitea.com/release-of-1.25.5
- https://blog.gitea.com/release-of-1.25.5/
- https://github.com/go-gitea/gitea
- 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