{"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"}}]}}