GitLabCVE-2026-90970
GitLab AI Gateway: template injection
Fix: upgrade to 19.2.4 or later (3 fixed versions below)
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.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| GitLab AI Gateway Product | >= 18.1.6, < 19.2.4 | 19.2.4 |
| >= 19.3, < 19.3.2 | 19.3.2 | |
| >= 19.4, < 19.4.1 | 19.4.1 |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-1336
More GitLab advisories
All GitLab| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Sep 29 | GitLab: missing authorization | Medium4.3 | 19.2.7+2 more |
| Sep 29 | GitLab: cross-site scripting | High8.7 | 19.2.7+2 more |
| Sep 29 | GitLab: improper authorization | Low3.7 | 19.2.7+2 more |
| Sep 29 | GitLab: improper authorization | Medium4.3 | 19.2.7+2 more |
| Sep 24 | GitLab: code execution | Critical9.9 | 19.2.7+2 more |
| Sep 24 | GitLab: missing authorization | High7.7 | 19.2.7+2 more |