CVE Catalog

CVE-2026-85267

HighCVSS 8.7
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.22%

12th percentile - higher than 12% of all known CVEs

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. The vulnerability was patched on 22 July 2026, and no customer action is needed.

Risk Assessment

An attacker could hijack a Cloud Shell session and steal the user's OAuth token, potentially leading to unauthorized access to cloud resources.

Recommendation

No customer action is required as the vulnerability was patched on 22 July 2026.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS