Bucket Squatting in Vertex AI Search for Commerce

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-19485
StatePUBLISHED
AssignerGoogleCloud
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-26 19:16:49 UTC
Updated2026-08-26 20:17:09 UTC
DescriptionA Predictable Resource Name vulnerability in BigQuery Import Staging in Google Cloud Vertex AI Search for Commerce versions prior to 2026-04-27 on Google Cloud Platform allows an attacker knowing the victim's project number to obtain read/write access to staged data and error logs using predictable bucket names. This vulnerability was patched and no customer action is needed.

Risk And Classification

Primary CVSS: v4.0 9.3 CRITICAL from f45cbf4e-4146-4068-b7e1-655ffc2c548c

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/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

Problem Types: CWE-330 | CWE-330 CWE-330 Use of Insufficiently Random Values

VersionSourceTypeScoreSeverityVector
4.0f45cbf4e-4146-4068-b7e1-655ffc2c548cSecondary9.3CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N/E:X/C...
4.0CNACVSS9.3CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N/U:Clear

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Confidentiality
High
Integrity
High
Availability
None
Sub Conf.
High
Sub Integrity
High
Sub Availability
None

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Google Cloud Vertex AI Search For Commerce affected 2026-04-27 date Not specified

References

ReferenceSourceLinkTags
unit42.paloaltonetworks.com/hijacking-vertex-ai-model f45cbf4e-4146-4068-b7e1-655ffc2c548c unit42.paloaltonetworks.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Omer Amiad (en)

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