CVE
CVE-2026-90970
Improper Neutralization of Special Elements Used in a Template Engine in GitLab AI Gateway
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.
Package Versions Affected
Package Version
patch Availability
No items found.
Automatically patch vulnerabilities without upgrading
Fix Without Upgrading
Detect compatible fix
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Fix with a single pull request
CVSS Version
Severity
Base Score
CVSS Version
Score Vector
C
H
U
9.9
-
3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
C
H
U
-
Related Resources
No items found.
References
https://gitlab.com/gitlab-org/gitlab/-/work_items/628842, https://gitlab.com/gitlab-org/modelops/applied-ml/code-suggestions/ai-assist, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90970.json, https://nvd.nist.gov/vuln/detail/CVE-2026-90970