HIGH 8.7 NVD

CVE-2026-85267

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 activ

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.

References

https://docs.cloud.google.com/shell/docs/release-notes#July_28_2026

Published: 2026-10-20 · Source: NVD · Feed updated: 2026-10-20

This high severity vulnerability with a CVSS score of 8.7 was published on 2026-10-20 via NVD.

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