CVE-2026-58426

Description

Gitea Actions Artifacts V4 signed URL HMAC ambiguity allows cross-repository artifact read and cross-task upload-state write

References

• https://blog.gitea.com/release-of-1.26.2/
• https://github.com/go-gitea/gitea/pull/37707
• https://github.com/go-gitea/gitea/releases/tag/v1.26.2
• https://github.com/go-gitea/gitea/security/advisories/GHSA-hg5r-vq93-9fv6