GitLab EE 18.5-18.7: AuthBreach in GraphQL Mutations (AI Settings)
CVE-2025-13781 Published on January 9, 2026
Missing Authorization in GitLab
GitLab has remediated an issue in GitLab EE affecting all versions from 18.5 before 18.5.5, 18.6 before 18.6.3, and 18.7 before 18.7.1 that could have allowed an authenticated user to modify instance-wide AI feature provider settings by exploiting missing authorization checks in GraphQL mutations.
Vulnerability Analysis
CVE-2025-13781 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, a high 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-2025-13781 has been classified to as an AuthZ vulnerability or weakness.
Products Associated with CVE-2025-13781
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Affected Versions
GitLab:- Version 18.5 and below 18.5.5 is affected.
- Version 18.6 and below 18.6.3 is affected.
- Version 18.7 and below 18.7.1 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.