Cross-Tenant Remote Code Execution Vulnerability in Google Cloud Vertex AI
CVE-2026-2473

7.7HIGH

Key Information:

Vendor

Google Cloud

Status
Vertex Ai Experiments
Vendor
CVE Published:
20 February 2026

What is CVE-2026-2473?

A vulnerability in Google Cloud Vertex AI allows unauthenticated remote attackers to exploit predictable bucket naming in Cloud Storage. This can lead to cross-tenant remote code execution, allowing attackers to steal or poison machine learning models. The issue arises in versions 1.21.0 through 1.132.9, where attackers can pre-create Cloud Storage buckets with predictable names, facilitating unauthorized access to sensitive resources. The vulnerability has been addressed, and users are not required to take any action.

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Deploy the Patch

Affected Version(s)

Vertex AI Experiments 1.21.0 < 1.133.0

References

https://docs.cloud.google.com/support/bulletins#gcp-2026-012

CVSS V4

Score:
7.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Omer Amiad
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