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Authorization Bypass Through User-Controlled Key in GitLab

GitLab · CVE-2026-13319
0 news outlets0 CERTs and agencies0 researchers

What is it?

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.10 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, could have allowed an authenticated to read milestone metadata, including titles, descriptions, and full project paths, from arbitrary private projects across the instance without any project membership, due to missing authorization checks on a user-supplied project filter parameter in the group milestones API.

Evidence

No coverage recorded yet.

Exploitation

  • Public proof of concept
  • Exploited in the wild
  • Listed as known exploited
CVSS
4.3
EPSS
0.2%
First seen
1 d ago
Status
corroborated

All GitLab vulnerabilities