Vulnerability · Published Feb 26, 2026 · Assigned by GoogleCloud

CVE-2026-2244Sensitive Data Exposure in Google Cloud Vertex AI Workbench

High 8.4

In plain English

A high-severity information exposure in Vertex AI Workbench 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 0.3% (higher than 18% of all known vulnerabilities).

Severity (CVSS 4.0)8.4High
Exploit odds (30 days)0.3%top 81.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A vulnerability in Google Cloud Vertex AI Workbench from 7/21/2025 to 01/30/2026 allows an attacker to exfiltrate valid Google Cloud access tokens of other users via abuse of a built-in startup script. All instances after January 30th, 2026 have been patched to protect from this vulnerability. No user action is required for this.

Affected products (as reported)

VendorProductVersions
Google Cloud Vertex AI Workbench 7/21/2025 – before 01/30/2026

Weakness: CWE-200 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:N/VA:N/SC:H/SI:H/SA:H/U:Clear

References