Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.1 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that, under certain conditions could have allowed an authenticated user to perform unauthorized actions on behalf of another user by injecting malicious content into vulnerability code flow.
Metrics
CVSS 3.1 5.4/10
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| GitLab | GitLab | >= 17.1, < 18.6.6; >= 18.7, < 18.7.4; >= 18.8, < 18.8.4 |
References
- https://about.gitlab.com/releases/2026/02/10/patch-release-gitlab-18-8-4-released/Release Notes, Vendor Advisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/583861Broken Link, Issue Tracking
- https://hackerone.com/reports/3461083Permissions Required
Timeline
- Published
- Feb 11, 2026
- Last modified
- Jun 17, 2026
- NVD status
- Analyzed