Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could have allowed an authenticated user with custom role permissions to demote or remove higher-privileged group members due to improper authorization checks on member management operations.
Metrics
CVSS 3.1 2.7/10
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:NWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| GitLab | GitLab | >= 18.2, < 18.8.9; >= 18.9, < 18.9.5; >= 18.10, < 18.10.3 |
References
- https://about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-released/Release Notes, Vendor Advisory
- https://gitlab.com/gitlab-org/gitlab/-/work_items/565414Broken Link
- https://hackerone.com/reports/3301240Permissions Required
Timeline
- Published
- Apr 8, 2026
- Last modified
- Jul 24, 2026
- NVD status
- Analyzed