CVE-2026-27771: Gitea has insufficient permission checks for Composer package source links

July 17, 2026

A critical vulnerability has been discovered in Gitea. It was already reported via (security@gitea.io) from (dev@noscope.com), and submitted an encrypted report.

References

blog.gitea.com/release-of-1.26.2
github.com/advisories/GHSA-8qw8-rq86-9pc2
github.com/go-gitea/gitea/pull/37610
github.com/go-gitea/gitea/releases/tag/v1.26.2
github.com/go-gitea/gitea/security/advisories/GHSA-8qw8-rq86-9pc2
nvd.nist.gov/vuln/detail/CVE-2026-27771

Code Behaviors & Features

Detect and mitigate CVE-2026-27771 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Learn more about Dependency Scanning →