CVE-2026-90970Improper Neutralization of Special Elements Used in a Template Engine in GitLab AI Gateway
Updated under an hour ago ()
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It affects GitLab AI Gateway. Add what you run to find out whether that includes you.
EPSS puts the chance of exploitation in the next 30 days at 0.94%, higher than 60% of scored CVEs.
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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
- 9.9 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- Weakness (CWE)
- CWE-1336
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- 0.94% (percentile 60)
- Assigned by
- GitLab
- NVD analysis
- Awaiting Analysis
- Record last updated
- Oct 2, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
GitLab GitLab AI Gateway gitlab:ai-gateway | from 18.1.6 before 19.2.4; from 19.3 before 19.3.2; from 19.4 before 19.4.1 | CNA record |
References
- https://gitlab.com/gitlab-org/gitlab/-/work_items/628842
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.