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.
History

Mon, 23 Feb 2026 21:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 23 Feb 2026 15:00:00 +0000

Type Values Removed Values Added
First Time appeared Google Cloud
Google Cloud vertex Ai Experiments
Vendors & Products Google Cloud
Google Cloud vertex Ai Experiments

Fri, 20 Feb 2026 20:00:00 +0000

Type Values Removed Values Added
Description 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.
Title Bucket Squatting in Vertex AI Experiments leads to RCE and Model Theft.
Weaknesses CWE-340
References
Metrics cvssV4_0

{'score': 7.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/U:Clear'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GoogleCloud

Published: 2026-02-20T19:39:51.015Z

Updated: 2026-02-23T19:54:20.923Z

Reserved: 2026-02-13T15:41:59.549Z

Link: CVE-2026-2473

cve-icon Vulnrichment

Updated: 2026-02-23T19:52:32.652Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-02-20T20:25:24.497

Modified: 2026-02-23T18:14:13.887

Link: CVE-2026-2473

cve-icon Redhat

No data.