CVE-2026-90970: GitLab
GitLab says it has remediated a vulnerability in the GitLab 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 through a crafted flow configuration, resulting in arbitrary command execution on the AI Gateway.
The record
- Kind
- Vulnerability
- Source record
- CVE-2026-90970: GitLab has remediated a vulnerability in the GitLab AI Gateway component affecting all versions of the AI Gate (National Vulnerability Database record)
- Record published
- 2026-10-02
- Posted here
- 2026-10-12
- World
- Software agents · Enterprise work agents
- Controls concerned
- Authority binding C-A2
- Checked
- Checked against its record on 2026-10-22 by a reader who did not draft it; report
verification/reports/SIG-2026-10-12-008-2026-10-22.md.
A signal's controls are the ones its record points at, the exposure; a case's controls are the ones its records show were absent or failed, so the two can differ.
Corrections
Changes to what this signal says, with the reason. Every earlier version is kept.
- 2026-10-22: Summary. Found in an independent read against the record on 22 October 2026: the summary was cut off before the effect; it now gives the record's full statement, attributed to GitLab (CVE record CVE-2026-90970).
Show the change
Before: 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…After: GitLab says it has remediated a vulnerability in the GitLab 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 through a crafted flow configuration, resulting in arbitrary command execution on the AI Gateway.
What a signal is. A signal records what a primary record says; it assigns no fault. It is lighter than a case: one dated item from one record, tagged with the world, sector and controls it touches. It becomes a case when it meets the bar for one.
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