CVE-2026-1751: Missing Authorization in GitLab
Published Feb 2, 2026
·Updated
A vulnerability has been discovered in GitLab CE/EE affecting all versions starting with 16.8 before 18.5.0 that could have allowed unauthorized edits to merge request approval rules under certain conditions.
Affected Software
4 affected components
gitlab-ce>=16.8<18.5.0
gitlab-ee>=16.8<18.5.0
GitLab GitLab>=16.8.0<18.5.0
GitLab GitLab>=16.8.0<18.5.0
Remediation
Information
Upgrade to version 18.5.0 or above
Event History
Feb 2, 2026
CVE Published
via MITRE·09:04 AM
Data Sourced
via MITRE·09:04 AM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·10:16 AM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2026-1751?
The severity of CVE-2026-1751 is medium, as it allows unauthorized edits to merge request approval rules.
2
How do I fix CVE-2026-1751?
To fix CVE-2026-1751, update your GitLab CE/EE installations to version 18.5.0 or later.
3
What versions are affected by CVE-2026-1751?
CVE-2026-1751 affects all versions of GitLab CE/EE from version 16.8 up to, but not including, version 18.5.0.
4
What type of vulnerability is CVE-2026-1751?
CVE-2026-1751 is classified as a missing authorization vulnerability.
5
Can CVE-2026-1751 be exploited remotely?
Yes, CVE-2026-1751 can potentially be exploited remotely under specific conditions.