CVE-2026-85267 (GCVE-0-2026-85267)

Vulnerability from cvelistv5 – Published: 2026-10-20 09:16 – Updated: 2026-10-20 19:06
VLAI
Title
Cross-Site WebSocket Hijacking in Google Cloud Shell
Summary
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.
Severity
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/U:Clear
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-20 19:06 UTC
CWE
  • CWE-1385 - Missing Origin Validation in WebSockets
Assigner
GoogleCloud CNA under the Google root
CNA scorecard B 77/100 over 27 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Google Cloud Cloud Shell Affected: 0 , < 2026-07-22 (date)
guessed Create a notification for this product.
Credits
Elad Beber
Show details on NVD website
To clipboard 

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