CVE-2026-43999

{"id": "CVE-2026-43999", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-43999", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-05-14T00:00:00+00:00"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 9.9, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 3.1}, {"type": "Secondary", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 9.9, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 3.1}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "patriksimek", "product": "vm2", "versions": [{"status": "affected", "version": "< 3.11.0"}]}]}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "affectedData": [{"cpes": ["cpe:/a:redhat:ansible_portal:2.1"], "vendor": "Red Hat", "product": "Red Hat Ansible Automation Platform 2.1", "versions": [{"status": "unaffected", "version": "1785854226", "lessThan": "*", "versionType": "rpm"}], "packageName": "ansible-automation-platform/automation-portal", "collectionURL": "https://catalog.redhat.com/software/containers/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:rhdh:1"], "vendor": "Red Hat", "product": "Red Hat Developer Hub", "packageName": "rhdh/rhdh-hub-rhel9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}]}], "published": "2026-05-13T18:16:16.450", "references": [{"url": "https://github.com/patriksimek/vm2/security/advisories/GHSA-947f-4v7f-x2v8", "tags": ["Exploit", "Mitigation", "Vendor Advisory"], "source": "security-advisories@github.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:50850", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/security/cve/CVE-2026-43999", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2477196", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://github.com/patriksimek/vm2/security/advisories/GHSA-947f-4v7f-x2v8", "tags": ["Exploit", "Mitigation", "Vendor Advisory"], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}, {"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-43999.json", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-863"}]}, {"type": "Secondary", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "description": [{"lang": "en", "value": "CWE-829"}]}], "descriptions": [{"lang": "en", "value": "vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.0, NodeVM's builtin allowlist can be bypassed when the module builtin is allowed (including via the '*' wildcard). The module builtin exposes Node's Module._load(), which loads any module by name directly in the host context, completely bypassing vm2's builtin restriction. This allows sandboxed code to load excluded builtins like child_process and achieve remote code execution. This vulnerability is fixed in 3.11.0."}, {"lang": "es", "value": "vm2 es una vm/sandbox de c\u00f3digo abierto para Node.js. Antes de la versi\u00f3n 3.11.0, la lista de permitidos (allowlist) de m\u00f3dulos integrados (builtin) de NodeVM puede eludirse cuando el m\u00f3dulo integrado \u2019module\u2019 est\u00e1 permitido (incluyendo a trav\u00e9s del comod\u00edn \u2019*\u2019). El m\u00f3dulo integrado \u2019module\u2019 expone Module._load() de Node, que carga cualquier m\u00f3dulo por nombre directamente en el contexto del host, eludiendo completamente la restricci\u00f3n de m\u00f3dulos integrados (builtin) de vm2. Esto permite que el c\u00f3digo en el sandbox cargue m\u00f3dulos integrados (builtins) excluidos como \u2019child_process\u2019 y logre la ejecuci\u00f3n remota de c\u00f3digo. Esta vulnerabilidad est\u00e1 corregida en la versi\u00f3n 3.11.0."}], "lastModified": "2026-10-26T17:10:03.270", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:vm2_project:vm2:*:*:*:*:*:node.js:*:*", "vulnerable": true, "matchCriteriaId": "6DD48308-6219-4C66-9BE7-246EE56FB834", "versionEndExcluding": "3.11.0"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}