{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-44005", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-04T21:24:36.505Z", "datePublished": "2026-05-13T17:40:41.578Z", "dateUpdated": "2026-05-15T09:58:06.914Z"}, "containers": {"cna": {"title": "vm2: Sandbox escape", "problemTypes": [{"descriptions": [{"cweId": "CWE-1321", "lang": "en", "description": "CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-94", "lang": "en", "description": "CWE-94: Improper Control of Generation of Code ('Code Injection')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 10, "baseSeverity": "CRITICAL", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/patriksimek/vm2/security/advisories/GHSA-vwrp-x96c-mhwq", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/patriksimek/vm2/security/advisories/GHSA-vwrp-x96c-mhwq"}], "affected": [{"vendor": "patriksimek", "product": "vm2", "versions": [{"version": ">= 3.9.6, < 3.11.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-05-13T17:40:41.578Z"}, "descriptions": [{"lang": "en", "value": "vm2 is an open source vm/sandbox for Node.js. From 3.9.6 to 3.10.5, vm2's bridge exposes mutable proxies for real host-realm intrinsic prototypes and then forwards sandbox writes into the underlying host objects with otherReflectSet() and otherReflectDefineProperty(), which lets attacker-controlled JavaScript running in a default VM or inherited NodeVM mutate shared host Object.prototype, Array.prototype, and Function.prototype from inside the sandbox This vulnerability is fixed in 3.11.0."}], "source": {"advisory": "GHSA-vwrp-x96c-mhwq", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/patriksimek/vm2/security/advisories/GHSA-vwrp-x96c-mhwq", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-05-15T03:56:03.570732Z", "id": "CVE-2026-44005", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-15T09:58:06.914Z"}}]}}