CVE-2025-11915

Medium

Description

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.

SeverityMedium
CVSS6.9
Exploit probability—
ProductVertex AI: Partner Models for MaaS
PublishedOct 22, 2025
First seenOct 22, 2025
Weakness typeCWE-444CWE-444

How to fix

Update
  • Google Cloud Vertex AI: Partner Models for MaaS2025-09-26 or later
  • Google Cloud Vertex AI: Open Models for MaaS2025-09-28 or later
  • Google Cloud Vertex AI: Self-Deployed Models2025-09-28 or later

Affected products

ProductAffected versionsFixed in
Google Cloud Vertex AI: Partner Models for MaaSv < 2025-09-262025-09-26
Google Cloud Vertex AI: Open Models for MaaSv < 2025-09-282025-09-28
Google Cloud Vertex AI: Self-Deployed Modelsv < 2025-09-282025-09-28

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