CVE-2026-47140

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{"affected": [{"affectedData": [{"product": "vm2", "vendor": "patriksimek", "versions": [{"status": "affected", "version": "< 3.11.4"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "vm2 is an open source vm/sandbox for Node.js. Prior to version 3.11.4, NodeVM blocks several dangerous Node.js builtins such as module, worker_threads, cluster, vm, repl, and inspector. However, the denylist misses process and inspector/promises. Both can be used from sandboxed code to reach host-side execution primitives. This allows sandboxed code to bypass the intended builtin restrictions and execute code in the host process. This issue has been patched in version 3.11.4."}, {"lang": "es", "value": "vm2 es una vm/sandbox de c\u00f3digo abierto para Node.js. Antes de la versi\u00f3n 3.11.4, NodeVM bloquea varias funciones integradas (builtins) peligrosas de Node.js, como module, worker_threads, cluster, vm, repl e inspector. Sin embargo, la lista de denegaci\u00f3n omite process e inspector/promises. Ambos pueden ser utilizados desde c\u00f3digo en sandbox para alcanzar primitivas de ejecuci\u00f3n del lado del host. Esto permite al c\u00f3digo en sandbox eludir las restricciones de funciones integradas (builtins) previstas y ejecutar c\u00f3digo en el proceso del host. Este problema ha sido parcheado en la versi\u00f3n 3.11.4."}], "id": "CVE-2026-47140", "lastModified": "2026-10-26T11:10:00.157", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 10.0, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 6.0, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-47140", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-06-12T00:00:00+00:00", "version": "2.0.3"}}]}, "published": "2026-06-12T15:16:28.400", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/patriksimek/vm2/commit/a1ed47a98d1cc36cb48c0d566d55889688e0b59b"}, {"source": "security-advisories@github.com", "url": "https://github.com/patriksimek/vm2/releases/tag/v3.11.4"}, {"source": "security-advisories@github.com", "url": "https://github.com/patriksimek/vm2/security/advisories/GHSA-rp36-8xq3-r6c4"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/patriksimek/vm2/security/advisories/GHSA-rp36-8xq3-r6c4"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-693"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{"bugzilla": {"description": "vm2: vm2: Arbitrary code execution due to incomplete sandbox restrictions", "id": "2488381", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2488381"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.1", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L", "status": "draft"}, "cwe": "CWE-184", "details": ["A flaw was found in vm2, an open-source virtual machine (VM) sandbox for Node.js. This vulnerability allows sandboxed code to bypass intended security restrictions by exploiting missing entries in the denylist for dangerous Node.js built-in functions, specifically `process` and `inspector/promises`. A remote attacker can leverage this to execute arbitrary code in the host process, leading to a complete compromise of the system."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability."}, "name": "CVE-2026-47140", "package_state": [{"cpe": "cpe:/a:redhat:rhdh:1", "fix_state": "Affected", "impact": "low", "package_name": "rhdh/rhdh-hub-rhel9", "product_name": "Red Hat Developer Hub"}, {"cpe": "cpe:/a:redhat:ansible_portal:2", "fix_state": "Under investigation", "package_name": "ansible-automation-platform/automation-portal", "product_name": "Self-service automation portal 2"}], "public_date": "2026-06-12T14:16:10Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-47140\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-47140\nhttps://github.com/patriksimek/vm2/commit/a1ed47a98d1cc36cb48c0d566d55889688e0b59b\nhttps://github.com/patriksimek/vm2/releases/tag/v3.11.4\nhttps://github.com/patriksimek/vm2/security/advisories/GHSA-rp36-8xq3-r6c4"], "statement": "The Red Hat Product Security team has rated the impact of this vulnerability as Moderate in Red Hat Developer Hub and Ansible Automation Platform.The affected package is present in both products as a transitive dependency; however, the vulnerable sandbox functionality is not invoked in any production code path. The active sandboxing mechanism used by both products does not rely on this package, and user-supplied input cannot reach the vulnerable code under a standard deployment. Exploitation would require an attacker to independently route arbitrary JavaScript into the sandbox runtime, a condition not present in the default configuration of either product.", "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,3.11.4)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "vm2", "source": "cna", "vendor": "patriksimek"}, "product": "vm2", "vendor": "patriksimek"}], "created": "2026-06-12T15:30:31.794936+00:00", "updated": "2026-06-17T23:30:04.173141+00:00", "vendors": ["patriksimek", "patriksimek$PRODUCT$vm2"]}