CVE-2026-85267 — Cross-Site WebSocket Hijacking in Google Cloud Shell
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 ses…
Published: 2026-10-20 · CVSS: 8.7 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7