CVE-2026-26247
2 advisories.
Go/code.gitea.io/gitea CVE-2026-26247: critical 9.1
Gitea OAuth2 PKCE S256 verifier bypass
Action: Upgrade code.gitea.io/gitea to 1.25.5 or later.
go get code.gitea.io/gitea@v1.25.5Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1.25.5 | - |
Fixed versions
| 1.25.5 |
Sources
- osv: GHSA-m5ch-ppfx-xv3v
- https://nvd.nist.gov/vuln/detail/CVE-2026-26247
- https://github.com/go-gitea/gitea/pull/36462
- https://github.com/go-gitea/gitea/pull/36477
- https://github.com/go-gitea/gitea/commit/750649c1ef092c95f95b206b9d5fa17471a0b1f5
- https://github.com/go-gitea/gitea/commit/bf8d11bb212ba2a76596d8a90e74e7d664571324
- https://blog.gitea.com/release-of-1.25.5
- https://github.com/go-gitea/gitea
- https://github.com/go-gitea/gitea/releases/tag/v1.25.5
CVE-2026-26247 · published · modified · JSON
Go/code.gitea.io/gitea CVE-2026-26247: unknown
Gitea OAuth2 PKCE S256 verifier bypass in code.gitea.io/gitea
Action: Upgrade code.gitea.io/gitea to 1.25.5 or later.
go get code.gitea.io/gitea@v1.25.5Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1.25.5 | - |
Fixed versions
| 1.25.5 |
Sources
- osv: GO-2026-6342
- 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
CVE-2026-26247 · published · modified · JSON