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.
CVE-2026-90970
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-90970
GitLab AI Gateway
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"cpes": [
"cpe:2.3:a:gitlab:ai-gateway:*:*:*:*:*:*:*:*"
],
"repo": "https://gitlab.com/gitlab-org/modelops/applied-ml/code-suggestions/ai-assist",
"vendor": "GitLab",
"product": "GitLab AI Gateway",
"versions": [
{
"status": "affected",
"version": "18.1.6",
"lessThan": "19.2.4",
"versionType": "semver"
},
{
"status": "affected",
"version": "19.3",
"lessThan": "19.3.2",
"versionType": "semver"
},
{
"status": "affected",
"version": "19.4",
"lessThan": "19.4.1",
"versionType": "semver"
}
],
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-90970
Source reference:
/cveMetadata/cveId
Publisher severity
critical
Source reference: /containers/cna/metrics
- Event
- #8043 · Revision 1
- Added to Heist Feed
- Publisher date