Vulnerability in Google Cloud Vertex Ai: Open Models For Maas

CVE-2025-11915

Connection desynchronization between an HTTP proxy and the model backend. The fixes were rolled out for all proxies in front of impacted models by 2025-09-28. Users do not need to take any action.

Vulnerability class: HTTP Request Smuggling

EPSS: 0.003 (22.3th percentile) — read the EPSS interpretation.