CVEvulnerability
CVE-2026-4398
5.4 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2026-04-08
- Last modified
- 2026-09-28
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.4 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
- Weaknesses
- CWE-639
Description
GitLab has remediated an issue in GitLab EE affecting all versions from 18.3 before 19.1.7, 19.2 before 19.2.5, and 19.3 before 19.3.1 that, under certain conditions, an authenticated user could have assigned compliance frameworks from namespaces they were not authorized to access to their own project, due to missing namespace validation on self-managed instances.
Affected configurations
• gitlab gitlab (>= 18.3.0 < 19.1.7)
• gitlab gitlab (>= 19.2.0 < 19.2.5)
• gitlab gitlab 19.3.0
Related
Weakness · CWE (1)
- CWE-639 Authorization Bypass Through User-Controlled Key weakness
References
- https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-3-1-released/ Release Notes, Vendor Advisory
- https://gitlab.com/gitlab-org/gitlab/-/work_items/600360 Broken Link
- https://hackerone.com/reports/3549150 Permissions Required