CVE-2026-75871: high-severity vulnerability in GitLab AI Gateway
Server-Side Request Forgery (SSRF) in GitLab AI Gateway
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
41Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 8.2epss 0.3%
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.
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N
Affected products
GitLab · GitLab AI Gatewaypublic PoCs found — 1
cve_referencehackerone.com/reports/3945100unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — GitLab AI Gateway
In the same product, most dangerous first.
CVE-2026-90970CRITICALImproper Neutralization of Special Elements Used in a Template Engine in GitLab AI GatewayEPSS 17.5%CVE-2026-1868CRITICALImproper Neutralization of Special Elements Used in a Template Engine in GitLab AI GatewayEPSS 0.7%CVE-2026-19889HIGHServer-Side Request Forgery (SSRF) in GitLab AI GatewayEPSS 0.4%