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CVE-2026-27771GHSA-8QW8-RQ86-9PC2GO-2026-6017

Gitea Composer package source links use insufficient permission checks

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 1.26.2
2 proofs of concept on GitHub, 1 Nuclei template
  • Exploitation: none
  • Automatable: yes
  • Technical impact: partial

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: yes · Technical impact: partial

  3. Record last updated

Affected versions

  • Gitea Gitea Open Source Git Server

    through 1.26.1

  • code.gitea.io/giteaGo

    fixed in 1.26.2

References 7

GitHub · go-gitea/gitea

blog.gitea.com

GitHub · projectdiscovery/nuclei-templates

GitHub · HORKimhab/CVE-2026-27771

GitHub · portbuster1337/CVE-2026-27771