{ "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": "2026-08-19T03:56:02.855Z" }, "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" } }, "adp": [ { "references": [ { "url": "https://github.com/patriksimek/vm2/security/advisories/GHSA-cfcw-xp6x-25gj", "tags": [ "exploit" ] } ], "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-08-18T00:00:00+00:00", "options": [ { "Exploitation": "poc" }, { "Automatable": "yes" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2026-47698" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-19T03:56:02.855Z" } } ] } }