Improper Authorization in Gitlab Community Edition and GitLab Enterprise Edition - CVE-2026-6883
Published: May 18, 2026
Vulnerability identifier: #VU131689
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-6883
CWE-ID: CWE-285
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: GitLab, Inc
Affected software:
Gitlab Community Edition
GitLab Enterprise Edition
Gitlab Community Edition
GitLab Enterprise Edition
Detailed vulnerability description
The vulnerability allows a remote user to bypass merge request approval requirements.
The vulnerability exists due to improper cleanup of orphaned policy records in Security Policy Project Reassignment when reassigning security policy projects. A remote user can trigger the affected reassignment state to bypass merge request approval requirements.
User interaction is required.
How to mitigate CVE-2026-6883
Install security update from vendor's website.