Incorrect authorization in GitLab Enterprise Edition and Gitlab Community Edition - CVE-2026-15831
Published: July 29, 2026 / Updated: July 30, 2026
Vulnerability identifier: #VU140484
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-15831
CWE-ID: CWE-863
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to bypass administrator-configured tool governance policies.
The vulnerability exists due to improper authorization enforcement in Duo Workflows token generation when generating security tokens. A remote user can generate a token to bypass administrator-configured tool governance policies.
Affected software
GitLab Enterprise Edition
Gitlab Community Edition
Gitlab Community Edition
How to mitigate CVE-2026-15831
Install security update from vendor's website.
GitLab Enterprise Edition - addressed in versions 19.0.5, 19.1.3, 19.2.1
Gitlab Community Edition - addressed in versions 19.0.5, 19.1.3, 19.2.1
Gitlab Community Edition - addressed in versions 19.0.5, 19.1.3, 19.2.1