Missing Authorization in GitLab Enterprise Edition - CVE-2026-5296
Published: May 28, 2026
Vulnerability identifier: #VU132675
CSH Severity: Medium
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-2026-5296
CWE-ID: CWE-862
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to bypass authorization checks.
The vulnerability exists due to improper authorization in Duo Workflows API. A remote user can bypass flow restrictions under certain conditions.
Affected software
GitLab Enterprise Edition
How to mitigate CVE-2026-5296
Install updates from vendor's website.
GitLab Enterprise Edition - addressed in versions 18.10.7, 18.11.4, 19.0.1