CVE-2026-19485— Bucket Squatting in Vertex AI Search for Commerce
Quick assessment
Affected
Google Cloud Vertex AI Search for Commerce
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Google 云平台（Google Cloud Platform）中，Google Cloud Vertex AI Search for Commerce 的 BigQuery 导入暂存功能中存在一个可预测的资源名称漏洞。该漏洞影响版本早于 2026-04-27。 漏洞描述： 如果攻击者已知受害者的项目编号（project number），则可利用可预测的存储桶（bucket）名称，获取对暂存数据及错误日志的读写权限。 修复状态： 该漏洞已修复，客户无需采取任何操作。
Affected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Google Cloud | Vertex AI Search for Commerce | < 2026-04-27 |
affected |
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I. Basic Information for CVE-2026-19485
Vulnerability Information
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Vulnerability Title
Bucket Squatting in Vertex AI Search for Commerce
Source: CVE Program / CVE List V5
Vulnerability Description
A 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.
Source: CVE Program / CVE List V5
CVSS Information
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/U:Clear
Source: CVE Program / CVE List V5
Vulnerability Type
使用不充分的随机数
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Google Cloud | Vertex AI Search for Commerce | 0 ~ 2026-04-27 | - |
|
II. Public POCs for CVE-2026-19485
| # | POC Description | Source Link | Shenlong Link |
|---|
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V. Comments for CVE-2026-19485
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