Affects GitLab (widely used enterprise SCM); RCE in AI Gateway could impact many organizations and warrants broad IT notification.
CVE-2026-90970
Authenticated sandbox escape in GitLab AI Gateway enabling remote command execution.
Is CVE-2026-90970 being exploited?
Not confirmed. CVE-2026-90970 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked.
How severe is CVE-2026-90970?
CVE-2026-90970 is rated Critical with a CVSS score of 9.9. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-90970?
Yes. A fix has been recorded for CVE-2026-90970. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-90970 affect?
CVE-2026-90970 affects GitLab AI Gateway >=18.1.6 and <19.2.4, GitLab AI Gateway 19.3.0 - 19.3.1, GitLab AI Gateway 19.4.0. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-90970?
Upgrade AI Gateway to 19.2.4+, 19.3.2+, or 19.4.1+; restrict Duo Agent access and audit logs.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated user with Duo Agent access can escape prompt template sandbox to execute arbitrary commands on the AI Gateway (RCE, lateral movement).
Immediate action required
- affected>= 18.1.6 and < 19.2.4
- affected>= 19.3 and < 19.3.2
- affected>= 19.4 and < 19.4.1
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.