SSRF in GitLab Ai Gateway

CVE-2026-19889

GitLab has remediated a vulnerability in the GitLab AI Gateway component affecting all versions of the AI Gateway from 18.9.0 to 19.0.12, 19.1 to 19.1.7, and 19.2 to 19.2.2 that could have allowed an authenticated user with Duo Agent Platform access to redirect model requests to an externally-controlled endpoint via crafted model metadata, resulting in the disclosure of Google Vertex AI or AWS Bedrock cloud service credentials.

Vulnerability class: SSRF (Server-Side Request Forgery)

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-19889?
CVE-2026-19889 is a high-severity vulnerability in GitLab Ai Gateway, classified under Server-Side Request Forgery (SSRF). CVSS score: 8.2/10. Published 2026-08-27.
How severe is CVE-2026-19889?
High severity. CVSS v3 base score is 8.2 out of 10.