Cross-Site WebSocket Hijacking in Google Cloud Shell
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.
CVE-2026-85267
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-85267
Cloud Shell
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "Google Cloud",
"product": "Cloud Shell",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "2026-07-22",
"versionType": "date"
}
],
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-85267
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #42539 · Revision 1
- Added to Heist Feed
- Publisher date