CVE-2026-27771

Summary

Gitea has insufficient permission checks for Composer package source links

Severity

high

CVSS

8.2

EPSS

1.4% (p72)

CWE

CWE-862

Also known as

GHSA-8qw8-rq86-9pc2

Published

2026-07-17

Updated

2026-07-17

Advisory details

CVE Description

Gitea versions up to and including 1.26.1 have insufficient permission checks for Composer package source links, which can expose private or internal package source information.

Summary

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

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

Related advisories

• CVE-2026-25038 — high · Go/code.gitea.io/gitea
• CVE-2026-50105 — medium · Go/code.gitea.io/gitea
• CVE-2026-58443 — critical · Go/code.gitea.io/gitea
• CVE-2026-58426 — critical · Go/code.gitea.io/gitea
• CVE-2026-20779 — high · Go/code.gitea.io/gitea
• CVE-2026-58422 — high · Go/code.gitea.io/gitea
• CVE-2026-58419 — high · Go/code.gitea.io/gitea
• CVE-2026-27775 — high · Go/code.gitea.io/gitea

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