Vulnerability in Gitea

[ Description ]Official description

A repository's external issue tracker regular expression containing alternating capture groups could produce invalid slice indexes when Gitea rendered issue references, causing a runtime panic that terminated the Gitea process. A user who can edit a repository's external issue tracker settings could make any later rendering of matching content, such as viewing a README, crash the instance for all users.

[ Fixes ]Fixes and patches

• Patch on github.comVendor patch or bulletin · NVD · Reference tagged 'Patch' by NVD

[ Advisories ]Government CERT advisories

• BSI CERT-Bund6 Oct 2026WID-SEC-2026-3792

  Gitea: Multiple vulnerabilities Translated from German

  CVE-2026-103670CVE-2026-94205CVE-2026-103059+26 more CVEs

[ References ]References

• blog.gitea.com/release-of-28.0.0Release Notes
• github.com/go-gitea/gitea/pull/39354Patch
• github.com/go-gitea/gitea/releases/tag/v28.0.0Release Notes
• github.com/go-gitea/gitea/security/advisories/GHSA-mw6q-qj47-9g5qVendor Advisory