HIGHCVSS v4 8.7Vulnerability
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 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.
Properties
- Severity
- HIGH
- Nvd fetched at
- 2026-10-20T21:14:08.448323+00:00
- Epss score
- 0.00221
- Cvss severity
- HIGH
- Cvss score
- 8.7
- Retrieved at
- 2026-10-21T01:24:50+00:00
- Last source
- FIRST EPSS
- Score
- 8.7
- Cvss version
- 4.0
- Cve id
- CVE-2026-85267
- Cvss vector
- 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
- First seen by Signal
- 2026-10-20T13:03:27+00:00
- Vector
- 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
- Published at
- 2026-10-20T10:17:07.007
- Last modified
- 2026-10-20T19:18:51.900
- Epss percentile
- 0.11923
Related Entities (1)
HAS_WEAKNESS (1)
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