CVE-2026-2244 | BDVDB-2026-317447 Detail

Google CloudVertex AI Workbench

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.

Impact#

CAPEC-664 Server Side Request Forgery

Weaknesses#

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References#

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

Exploit#

No public exploit known

History#

Version 12026-02-26Record published in the CVE List.

Published

Published: 2026-02-26
Last modified: 2026-02-26

Vendor information

Vendor: Google Cloud
Product: Vertex AI Workbench

All Google Cloud vulnerabilities

Score

8.4 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 18.5.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Information Disclosure

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 7/21/2025 and < 01/30/2026
Fixed
01/30/2026

Scoring System

CVSS v4.0

8.4 High

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Attack Requirements	None
Privileges Required	Low
User Interaction	Active
Vulnerable System Confidentiality	High
Vulnerable System Integrity	None
Vulnerable System Availability	None
Subsequent System Confidentiality	High
Subsequent System Integrity	High
Subsequent System Availability	High

CVSS v3.1

Not available

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).