CVE-2026-85267
CVE-2026-85267 · Cross-Site WebSocket Hijacking in Google Cloud Shell
This page contains facts from public vulnerability sources. Check the original advisory before updating.
A Cross-Site WebSocket Hijacking vulnerability in Cloud Shell prior to 2026-07-22 on Google Cloud Platform allows an unauthenticated attacker to hijack an active Cloud Shell session and exfiltrate the user's OAuth access token using a cross-origin WebSocket request. This vulnerability was patched on 22 July 2026, and no customer action is needed.
CVSS 8.7 · High · EPSS 0.2% · Fix available
- Published
- Updated
Affected products and versions
cloud shell
- Versions
- ≥ 0, < 2026-07-22: Affected (date)
Update to 2026-07-22