Vulnerability Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.10 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 that could have allowed an authenticated user to perform unauthorized actions on merge requests in other projects due to improper access control during cross-repository operations.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gitlab | Gitlab | >= 11.10.0, < 18.8.7 |
Related Weaknesses (CWE)
References
- https://about.gitlab.com/releases/2026/03/25/patch-release-gitlab-18-10-1-releasRelease NotesVendor Advisory
- https://gitlab.com/gitlab-org/gitlab/-/work_items/590717Broken Link
- https://hackerone.com/reports/3543886Permissions Required
FAQ
What is CVE-2026-2726?
CVE-2026-2726 is a vulnerability with a CVSS score of 4.3 (MEDIUM). GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.10 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 that could have allowed an authenticated user to perform un...
How severe is CVE-2026-2726?
CVE-2026-2726 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-2026-2726?
Check the references section above for vendor advisories and patch information. Affected products include: Gitlab Gitlab.