{"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"}}]}}