{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-47698", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-19T21:18:20.404Z", "datePublished": "2026-08-17T20:53:09.218Z", "dateUpdated": "2026-08-17T20:53:09.218Z"}, "containers": {"cna": {"title": "vm2: Sandbox Breakout Using Dangerous Host Proto Mutators", "problemTypes": [{"descriptions": [{"cweId": "CWE-913", "lang": "en", "description": "CWE-913: Improper Control of Dynamically-Managed Code Resources", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/patriksimek/vm2/security/advisories/GHSA-cfcw-xp6x-25gj", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/patriksimek/vm2/security/advisories/GHSA-cfcw-xp6x-25gj"}, {"name": "https://github.com/patriksimek/vm2/commit/a85acb61f81402c6eabf32760aa11272af6d0f9e", "tags": ["x_refsource_MISC"], "url": "https://github.com/patriksimek/vm2/commit/a85acb61f81402c6eabf32760aa11272af6d0f9e"}, {"name": "https://github.com/patriksimek/vm2/releases/tag/3.11.6", "tags": ["x_refsource_MISC"], "url": "https://github.com/patriksimek/vm2/releases/tag/3.11.6"}], "affected": [{"vendor": "patriksimek", "product": "vm2", "versions": [{"version": "< 3.11.6", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-08-17T20:53:09.218Z"}, "descriptions": [{"lang": "en", "value": "vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.6, lib/bridge.js and lib/setup-sandbox.js fail to block stacked indirection through Function.prototype.call around dangerous host prototype getter and setter mutators, allowing sandbox code to sever a host intrinsic's prototype chain and reach e.constructor.constructor for arbitrary host command execution. This issue is fixed in version 3.11.6."}], "source": {"advisory": "GHSA-cfcw-xp6x-25gj", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "vm2", "vendor": "patriksimek", "versions": [{"status": "affected", "version": "< 3.11.6"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.6, lib/bridge.js and lib/setup-sandbox.js fail to block stacked indirection through Function.prototype.call around dangerous host prototype getter and setter mutators, allowing sandbox code to sever a host intrinsic's prototype chain and reach e.constructor.constructor for arbitrary host command execution. This issue is fixed in version 3.11.6."}], "id": "CVE-2026-47698", "lastModified": "2026-08-17T21:16:45.640", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-08-17T21:16:45.640", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/patriksimek/vm2/commit/a85acb61f81402c6eabf32760aa11272af6d0f9e"}, {"source": "security-advisories@github.com", "url": "https://github.com/patriksimek/vm2/releases/tag/3.11.6"}, {"source": "security-advisories@github.com", "url": "https://github.com/patriksimek/vm2/security/advisories/GHSA-cfcw-xp6x-25gj"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-913"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}