#VU122454 Input validation error in GitLab AI Gateway - CVE-2026-1868

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Main Vulnerability Database Vulnerabilities #VU122454

#VU122454 Input validation error in GitLab AI Gateway - CVE-2026-1868

Published: February 9, 2026


Vulnerability identifier: #VU122454
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-1868
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
GitLab AI Gateway
Software vendor:
GitLab, Inc

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insecure template expansion of user supplied data in the Duo Workflow Service component. A remote user can pass specially crafted Duo Agent Platform Flow definitions and execute arbitrary code on the system.


Remediation

Install updates from vendor's website.

External links