Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.9 before 18.3.6, 18.4 before 18.4.4, and 18.5 before 18.5.2 that could have allowed an authenticated attacker to bypass access control restrictions and view GitLab Pages content intended only for project members by authenticating through OAuth providers.
Metrics
CVSS 3.1 4.3/10
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| GitLab | GitLab | >= 17.9, < 18.3.6; >= 18.4, < 18.4.4; >= 18.5, < 18.5.2 |
References
- https://about.gitlab.com/releases/2025/11/12/patch-release-gitlab-18-5-2-released/Release Notes, Vendor Advisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/556098Broken Link
- https://hackerone.com/reports/3250156Permissions Required
Timeline
- Published
- Nov 15, 2025
- Last modified
- Oct 19, 2026
- NVD status
- Analyzed