CVE-2026-90970
GitLab GitLab AI Gateway
- GitLab GitLab AI Gateway
- Critical
- CVSS 9.9
- EPSS 17.49%
- Fixed version listed
What to do
Fixed version listed
Affected products
| Product | Affected | Fixed in |
|---|---|---|
| GitLab 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 | 19.2.4, 19.3.2, 19.4.1 |
Scores and signals
- Exploitation
- No known exploitation
- Severity
- Critical, CVSS 9.9 (v3.1, scored by GitLab)
- EPSS
- 17.49% chance of exploitation in the next 30 days (EPSS from FIRST, as of Oct 25, 2026)
- CISA's SSVC decision points
- Exploitation: none. Automatable: no. Technical impact: total. As of Oct 2, 2026.
- Weakness
- CWE-1336: Improper Neutralization of Special Elements Used in a Template Engine
- Vendor
- GitLab, GitLab AI Gateway
Timeline
- First listed as critical by cve.now. Affected and fixed versions come from the CVE record, once one is published.