CVEvulnerability

CVE-2026-85267

8.7 HIGH Published 2026-10-20 Modified 2026-10-20 Official page ↗
Status
Awaiting Analysis
Published
2026-10-20
Last modified
2026-10-20
Assigner
f45cbf4e-4146-4068-b7e1-655ffc2c548c
CVSS 4.0 (f45cbf4e-4146-4068-b7e1-655ffc2c548c)
8.7 HIGH — CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Clear
Weaknesses
CWE-1385

Description

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.

Related

Weakness · CWE (1)

  • CWE-1385 Missing Origin Validation in WebSockets weakness

References