Vulnerability 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 to access confidential issues assigned to other users via CSV export due to insufficient authorization checks.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gitlab | Gitlab | >= 18.2.0, < 18.8.9 |
Related Weaknesses (CWE)
References
- https://about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-releasVendor AdvisoryRelease Notes
- https://gitlab.com/gitlab-org/gitlab/-/work_items/589021Broken Link
- https://hackerone.com/reports/3541476Permissions Required
FAQ
What is CVE-2026-2104?
CVE-2026-2104 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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 to access conf...
How severe is CVE-2026-2104?
CVE-2026-2104 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-2026-2104?
Check the references section above for vendor advisories and patch information. Affected products include: Gitlab Gitlab.