CVE-2026-2473 — Bucket Squatting in Vertex AI Experiments leads to RCE and Model Theft.

CVE-2026-2473

Bucket Squatting in Vertex AI Experiments leads to RCE and Model Theft. PUBLISHED

Description (CNA)

Predictable bucket naming in Vertex AI Experiments in Google Cloud Vertex AI from version 1.21.0 up to (but not including) 1.133.0 on Google Cloud Platform allows an unauthenticated remote attacker to achieve cross-tenant remote code execution, model theft, and poisoning via pre-creating predictably named Cloud Storage buckets (Bucket Squatting). This vulnerability was patched and no customer action is needed.

Affected (CNA)

Vendor / product	Versions
Google Cloud / Vertex AI Experiments	affected 1.21.0 before 1.133.0

CWE

CWE-340

References

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

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.