CVE-2025-11915

HTTP Desynchronisation in Vertex AI for certain third-party models

Published Oct 22, 2025 CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Google
Google cloud Platform
Google Cloud
Google Cloud vertex Ai
Vendors & Products Google
Google cloud Platform
Google Cloud
Google Cloud vertex Ai
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title HTTP Desynchronisation in Vertex AI for certain third-party models
Weaknesses CWE-444
References
Metrics cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:L/SI:N/SA:L/U:Clear'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GoogleCloud
Published
Updated
Oct 23, 2025, 9:23 AM
Reserved
Oct 17, 2025, 1:16 PM
Status
Deferred
Published
Oct 22, 2025, 10:15 AM
Modified
Oct 18, 2026, 9:10 PM