GitLab CE/EE Privilege Escalation 18.2-18.8.8, 18.9-18.9.4, 18.10-18.10.2
CVE-2026-4916 Published on April 8, 2026
Missing Authorization in GitLab
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could have allowed an authenticated user with custom role permissions to demote or remove higher-privileged group members due to improper authorization checks on member management operations.
Vulnerability Analysis
CVE-2026-4916 is exploitable with network access, and requires 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, 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-2026-4916 has been classified to as an AuthZ vulnerability or weakness.
Products Associated with CVE-2026-4916
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Affected Versions
GitLab:- Version 18.2 and below 18.8.9 is affected.
- Version 18.9 and below 18.9.5 is affected.
- Version 18.10 and below 18.10.3 is affected.