GitLab CE/EE 18.4: Merged Request Approval Rule Edit Authorization Flaw
CVE-2026-1751 Published on February 2, 2026
Missing Authorization in GitLab
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.
Vulnerability Analysis
CVE-2026-1751 can be exploited with network access, requires user interaction. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, with no impact on integrity, and no impact on availability.
Weakness Type
What is an AuthZ Vulnerability?
The software does not perform an authorization check when an actor attempts to access a resource or perform an action.
CVE-2026-1751 has been classified to as an AuthZ vulnerability or weakness.
Products Associated with CVE-2026-1751
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Affected Versions
GitLab:- Version 16.8 and below 18.5.0 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.