{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-85267", "assignerOrgId": "f45cbf4e-4146-4068-b7e1-655ffc2c548c", "state": "PUBLISHED", "assignerShortName": "GoogleCloud", "dateReserved": "2026-09-03T16:36:10.612Z", "datePublished": "2026-10-20T09:16:56.533Z", "dateUpdated": "2026-10-20T09:16:56.533Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "f45cbf4e-4146-4068-b7e1-655ffc2c548c", "shortName": "GoogleCloud", "dateUpdated": "2026-10-20T09:16:56.533Z"}, "title": "Cross-Site WebSocket Hijacking in Google Cloud Shell", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-1385", "description": "CWE-1385 Missing Origin Validation in WebSockets", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-62", "descriptions": [{"lang": "en", "value": "CAPEC-62 Cross Site Request Forgery"}]}, {"capecId": "CAPEC-593", "descriptions": [{"lang": "en", "value": "CAPEC-593 Session Hijacking"}]}], "affected": [{"vendor": "Google Cloud", "product": "Cloud Shell", "versions": [{"status": "affected", "version": "0", "lessThan": "2026-07-22", "versionType": "date"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "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.\n\n\nThis vulnerability was patched on 22 July 2026, and no customer action is needed.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "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.<div><br></div><div>This vulnerability was patched on 22 July 2026, and no customer action is needed.</div>"}]}], "references": [{"url": "https://docs.cloud.google.com/shell/docs/release-notes#July_28_2026"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "LOW", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "LOW", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "LOW", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "CLEAR", "version": "4.0", "baseSeverity": "HIGH", "baseScore": 8.7, "vectorString": "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"}}], "credits": [{"lang": "en", "value": "Elad Beber", "type": "reporter"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 1.0.1"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Cloud Shell", "vendor": "Google Cloud", "versions": [{"lessThan": "2026-07-22", "status": "affected", "version": "0", "versionType": "date"}]}], "source": "f45cbf4e-4146-4068-b7e1-655ffc2c548c"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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.\n\n\nThis vulnerability was patched on 22 July 2026, and no customer action is needed."}], "id": "CVE-2026-85267", "lastModified": "2026-10-20T15:03:59.857", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.7, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "CLEAR", "subAvailabilityImpact": "LOW", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "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", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "f45cbf4e-4146-4068-b7e1-655ffc2c548c", "type": "Secondary"}]}, "published": "2026-10-20T10:17:07.007", "references": [{"source": "f45cbf4e-4146-4068-b7e1-655ffc2c548c", "url": "https://docs.cloud.google.com/shell/docs/release-notes#July_28_2026"}], "sourceIdentifier": "f45cbf4e-4146-4068-b7e1-655ffc2c548c", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1385"}], "source": "f45cbf4e-4146-4068-b7e1-655ffc2c548c", "type": "Secondary"}]}

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{"created": "2026-10-20T16:15:14.640201+00:00", "updated": "2026-10-20T16:15:14.640206+00:00", "vendors": []}