SecuriTricks - CVE-2026-2473

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.

Product(s) Impacted

Vendor	Product	Versions
Google	Vertex Ai	1.21.0-1.132.9

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-340

Generation of Predictable Numbers or Identifiers

The product uses a scheme that generates numbers or identifiers that are more predictable than required.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	google	vertex_ai	1.21.0-1.132.9	/	/	/	/	/	/	/

References

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

CVSS Score

7.7 / 10

CVSS Data - 4.0

Attack Vector: NETWORK
Attack Complexity: LOW
Attack Requirements: PRESENT
Privileges Required: NONE
User Interaction: PASSIVE
Scope:
Confidentiality Impact: HIGH
Integrity Impact: HIGH
Availability Impact: HIGH
Exploit Maturity: NOT_DEFINED

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Clear

View Vector String

Timeline

Published: Feb. 20, 2026, 8:25 p.m.
Last Modified: Feb. 20, 2026, 8:25 p.m.

Status : Received

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

f45cbf4e-4146-4068-b7e1-655ffc2c548c

CVE-2026-2473