Key Findings Critical vulnerability (CVE-2026-1868) discovered in GitLab self-hosted AI Gateway with a CVSS score of 9.9 Flaw allows attackers to execute arbitrary code or trigger a Denial of Service on affected systems The vulnerability is caused by improper sanitization of user-supplied templates in the Duo Workflow Service Affects versions 18.1.6, 18.2.6, and 18.3.1 of the GitLab AI Gateway Patched versions 18.6.2, 18.7.1, and 18.8.1 have been released to address the issue
