{"id":"CVE-2026-85267","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 cr…","severity":"high","cvss":8.7,"cvssVector":"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","cvssSource":"cna","cwe":["CWE-1385"],"vendor":"Google Cloud","product":"Cloud Shell","affected":["cloud_shell < 2026-07-22"],"published":"2026-10-20","updated":"2026-10-20","sourceUpdated":"2026-10-20T09:16:56.533Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-85267","references":[{"url":"https://docs.cloud.google.com/shell/docs/release-notes#July_28_2026"}],"tags":["cve.org"],"ingestedAt":"2026-10-20T12:05:07.349Z","slug":"CVE-2026-85267","body":"## Overview\n\nA 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.\n\n\nThis vulnerability was patched on 22 July 2026, and no customer action is needed.\n\n## Affected\n\n- `cloud_shell < 2026-07-22`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":47.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}