PT-2026-21291 · Google Cloud · Vertex Ai Experiments

Omer Amiad · Published 2026-02-20 · Updated 2026-02-20 · CVE-2026-2473

Mitre

CVSS v4.0

7.7

7.7

High

Base vector

AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/U:Clear

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.

Fix

Weakness Enumeration

CWE-340

Related Identifiers

CVE-2026-2473

Affected Products

Vertex Ai Experiments

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-2473 · Security Note
• https://docs.cloud.google.com/support/bulletins#gcp-2026-012 · Note