Auth Bypass in GitLab EE 13.9-18.10.8,18.11-18.11.5,19.0-19.0.2 (SM Role)
CVE-2026-6277 Published on June 11, 2026
Incorrect Authorization in GitLab
GitLab has remediated an issue in GitLab EE affecting all versions from 13.9 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 that under certain conditions could have allowed an authenticated user with Security Manager-role permissions to manage project security configuration even when the relevant feature was in a disabled state, due to incorrect authorization enforcement.
Vulnerability Analysis
CVE-2026-6277 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, with no impact on integrity, and no impact on availability.
Weakness Type
What is an AuthZ Vulnerability?
The software performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.
CVE-2026-6277 has been classified to as an AuthZ vulnerability or weakness.
Products Associated with CVE-2026-6277
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Affected Versions
GitLab:- Version 13.9 and below 18.10.8 is affected.
- Version 18.11 and below 18.11.5 is affected.
- Version 19.0 and below 19.0.2 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.