CVE-2026-75871
High
Description
GitLab has remediated a vulnerability in the GitLab AI Gateway component affecting all versions of the AI Gateway from 18.10 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 outbound model requests to an externally-controlled endpoint via a crafted inline flow configuration that overrides the HTTP Host header, resulting in disclosure of Google Cloud Vertex cloud service credentials and private signing keys.
SeverityHigh
CVSS8.2
Exploit probability—
Product
Gitlab
PublishedAug 27, 2026
First seenAug 27, 2026
Weakness typeCWE-918Server-side request forgery (SSRF)
How to fix
Update
- gitlab gitlab19.0.12, 19.1.7, 19.2.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| gitlab gitlab | 18.10.0 ≤ v < 19.0.12, 19.1.0 ≤ v < 19.1.7, 19.2.0 ≤ v < 19.2.2 | 19.0.12, 19.1.7, 19.2.2 |
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