CVE-2026-2244 Sensitive Data Exposure in Google Cloud Vertex AI Workbench
Attackers can exfiltrate valid Google Cloud access tokens of other users via a built-in startup script in Vertex AI Workbench.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-2244?
CVE-2026-2244 is a high-severity vulnerability in Google Cloud Vertex AI Workbench, published on 26 Feb 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
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.
Weakness: CWE-200
Which versions are affected by CVE-2026-2244?
How do I fix CVE-2026-2244?
No fix has been published for CVE-2026-2244 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-2244 being exploited?
There is no known exploitation of CVE-2026-2244 in the wild and no public exploit code.
Sources
Also known as GHSA-65m8-95c4-38hm.