PatchTheCVECVE-2026-90970: GitLab has remediated a vulnerability in the GitLab AI Gateway component affecting all versions of the AI Gate
CVE-2026-90970 is a critical-severity flaw (CVSS 9.9) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- Critical severity
- EPSS top 3%: very likely to be exploited
A fixed release or distro patch exists.
Risk facts
| CVSS score | 9.9 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 17.5% (top 3%) |
| CISA exploited list | No |
| Weakness | CWE-1336 |
| Published | 2026-10-02 |
| Last modified | 2026-10-02 |
Last updated 2026-10-02 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Timeline
- Published CVE record published
- Updated Record last modified
Exact fixes by distribution
Public exploits and detection
Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.
Advisories and coverage
Official advisories
- GitLab Security Releases: GitLab AI Gateway Critical Patch Release: 19.2.4, 19.3.2, and 19.4.1 2026-10-02
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-90970?
No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.
Is CVE-2026-90970 being exploited?
CVE-2026-90970 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-90970 affect?
CVE-2026-90970 affects affected software. Severity is critical (CVSS 9.9). 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 au
How urgent is CVE-2026-90970?
Priority 59/100. Critical severity; EPSS top 3%: very likely to be exploited