CVE-2026-2244

HIGH

Google Cloud Vertex AI Workbench - Info Disclosure

Title source: llm

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.

References (1)

[Various Sources] https://docs.cloud.google.com/vertex-ai/docs/workbench/release-notes#February_20_2026

Scores

CVSS v4 8.4

EPSS 0.0005

EPSS Percentile 16.7%

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-200

Status published

Products (1)

Google Cloud/Vertex AI Workbench 7/21/2025 - 01/30/2026

Published Feb 26, 2026

Tracked Since Feb 26, 2026