CVE-2025-13874 PUBLISHED

Authorization Bypass Through User-Controlled Key in GitLab

Assigner: GitLab
Reserved: 02.12.2025 Published: 14.05.2026 Updated: 14.05.2026

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.1 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user with Guest permissions to view issues in projects they were not authorized to access.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS Score: 4.3

Product Status

Vendor GitLab
Product GitLab
Versions Default: unaffected
  • affected from 15.1 to 18.9.7 (excl.)
  • affected from 18.10 to 18.10.6 (excl.)
  • affected from 18.11 to 18.11.3 (excl.)

Solutions

Upgrade to versions 18.9.7, 18.10.6, 18.11.3 or above.

Credits

  • Thanks [go7f0](https://hackerone.com/go7f0) for reporting this vulnerability through our HackerOne bug bounty program finder

References

Problem Types

  • CWE-639: Authorization Bypass Through User-Controlled Key CWE