Vulnerability Description
GitLab has remediated an issue in GitLab EE affecting all versions from 16.0 before 19.0.6, 19.1 before 19.1.4, and 19.2 before 19.2.2 that under certain conditions could have allowed an authenticated user with developer-role permissions to view external status check configuration restricted to higher-privileged roles due to missing authorization on a merge request API endpoint.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gitlab | Gitlab | >= 16.0.0, < 19.0.6 |
Related Weaknesses (CWE)
References
- https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-2-released/Release Notes
- https://gitlab.com/gitlab-org/gitlab/-/work_items/594839Broken Link
- https://hackerone.com/reports/3622861Permissions Required
FAQ
What is CVE-2026-4879?
CVE-2026-4879 is a vulnerability with a CVSS score of 4.3 (MEDIUM). GitLab has remediated an issue in GitLab EE affecting all versions from 16.0 before 19.0.6, 19.1 before 19.1.4, and 19.2 before 19.2.2 that under certain conditions could have allowed an authenticated...
How severe is CVE-2026-4879?
CVE-2026-4879 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-4879?
Check the references section above for vendor advisories and patch information. Affected products include: Gitlab Gitlab.