Vulnerability · Published Aug 26, 2026 · Assigned by GoogleCloud

CVE-2026-19485Bucket Squatting in Vertex AI Search for Commerce

Critical 9.3

In plain English

A critical-severity weak randomness in Vertex AI Search for Commerce from Google Cloud. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities).

Severity (CVSS 4.0)9.3Critical
Exploit odds (30 days)0.4%top 67.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
Google Cloud Vertex AI Search for Commerce 0 – before 2026-04-27

Weakness: CWE-330 · Vector: 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

References