CVE-2026-90970
Improper Neutralization of Special Elements Used in a Template Engine in GitLab AI Gateway
- Published
- Last modified
- Status
- published
- Known exploitation
- Not listed in CISA KEV
- Fix
- Fixed in 19.2.4, 19.3.2, 19.4.1
- Public exploit
- None on Exploit-DB
CISA SSVC
- Exploitation: none
- Automatable: no
- Technical impact: total
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Decision points from CISA's Vulnrichment, assessed (SSVC 2.0.3).
SSVC documentationSummary
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
- GitLab GitLab AI Gateway
From 18.1.6 · fixed in 19.2.4; From 19.3 · fixed in 19.3.2; From 19.4 · fixed in 19.4.1