CVE-2026-2473: Google Cloud Vertex AI has a a vulnerability involving predictable bucket naming

February 20, 2026

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.

References

docs.cloud.google.com/support/bulletins
github.com/advisories/GHSA-wh2j-26j7-9728
github.com/googleapis/python-aiplatform
github.com/googleapis/python-aiplatform/releases/tag/v1.133.0
nvd.nist.gov/vuln/detail/CVE-2026-2473

Code Behaviors & Features

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