CVE-2025-13874
Authorization Bypass Through User-Controlled Key in GitLab
- State
- Published
- Severity
- 4.3 Medium
- Published
- May 14, 2026
- Updated
- May 14, 2026
- Reserved
- Dec 2, 2025
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 4.3 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N | GitLab |
Weaknesses
- CWE-639 Authorization Bypass Through User-Controlled Key
Affected Products
| Product | Versions |
|---|---|
GitLabGitLab |
|
References
- HackerOne Bug Bounty Report #3445398technical-descriptionexploitpermissions-required
- https://gitlab.com/gitlab-org/gitlab/-/work_items/582634
- https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/
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