CVE-2026-26247
Gitea OAuth2 PKCE S256 verifier bypass
Severidad por fuente
La etiqueta propia de Trivy es CRITICAL. Crítica según GHSA.
Descripción
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.
Paquetes afectados y versiones corregidas
| Fuente | Paquete | Corregido en |
|---|---|---|
| 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 |
Referencias
- 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