CVE-2026-90970

Critical9.9Published on October 2, 2026

GitLab has remediated a vulnerability in the GitLab AI Gateway component affecting all versions of the AI Gateway from 18.1.6 before 19.2.4, 19.3 before 19.3.2, and 19.4 before 19.4.1 that, under certain conditions, could have allowed an authenticated user with Duo Agent Platform access to escape the prompt template sandbox via a specially crafted flow configuration, resulting in arbitrary command execution on the AI Gateway.

CVSS score9.9 / 10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Weakness type (CWE)CWE-1336

Vulnerabilities

GitLab Fixes AI Gateway Sandbox Escape Enabling Command Execution

GitLab fixed a critical AI Gateway sandbox escape that could let authenticated users execute commands. Self-hosted gateways should upgrade to patched releases.

Oct 3, 202603:476 min readRead

This product uses the NVD API but is not endorsed or certified by the NVD.

CVE database

Related articles

GitLab Fixes AI Gateway Sandbox Escape Enabling Command Execution