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Vulnerability record · CVE-2026-90970 · published 2 October 2026

CVE-2026-90970: GitLab has remediated a vulnerability in the GitLab AI Gateway component affecting all versions of the AI Gate…

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.

9.9 CVSS 3.1 Critical EPSS 0.94% · top 40.3% CWE-1336 · CWE-1336 Awaiting Analysis
9.9CVSS 3.1 base score
0.94%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
2 Oct 2026Last modified by NVD

Description

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:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

References

LinkTags
https://gitlab.com/gitlab-org/gitlab/-/work_items/628842

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Source: NIST National Vulnerability Database (record CVE-2026-90970), CISA KEV, FIRST EPSS (scores of 2026-10-05). This page is refreshed as NVD updates the record.