CVE-2026-47210

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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, a sandbox escape vulnerability in vm2 allows arbitrary code execution in the host process when untrusted code is executed with async support on runtimes exposing WebAssembly JSPI (WebAssembly.promising / WebAssembly.Suspending). In the tested configuration, a JSPI-backed Promise can reach Promise.prototype.finally() in a way that bypasses the expected Promise-species hardening and exposes a host-originated rejection object to attacker-controlled species logic, breaking the sandbox boundary. 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, una vulnerabilidad de escape de sandbox en vm2 permite la ejecuci\u00f3n de c\u00f3digo arbitrario en el proceso anfitri\u00f3n cuando se ejecuta c\u00f3digo no confiable con soporte as\u00edncrono en entornos de ejecuci\u00f3n que exponen WebAssembly JSPI (WebAssembly.promising / WebAssembly.Suspending). En la configuraci\u00f3n probada, una Promesa respaldada por JSPI puede alcanzar Promise.prototype.finally() de una manera que elude el endurecimiento esperado de las especies de Promesa y expone un objeto de rechazo originado en el anfitri\u00f3n a la l\u00f3gica de especies controlada por el atacante, rompiendo el l\u00edmite de la sandbox. Este problema ha sido parcheado en la versi\u00f3n 3.11.4."}], "id": "CVE-2026-47210", "lastModified": "2026-10-26T11:10:00.157", "metrics": {"cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-47210", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-06-12T00:00:00+00:00", "version": "2.0.3"}}]}, "published": "2026-06-12T15:16:29.030", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/patriksimek/vm2/commit/6915fa4d9bcebd47b9a4f39a1adc1aa94ef6ffc6"}, {"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-6j2x-vhqr-qr7q"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/patriksimek/vm2/security/advisories/GHSA-6j2x-vhqr-qr7q"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-913"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{"bugzilla": {"description": "vm2: vm2: Arbitrary code execution via sandbox escape when executing untrusted code with async support.", "id": "2488389", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2488389"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.1", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-653", "details": ["vm2 is an open source vm/sandbox for Node.js. Prior to version 3.11.4, a sandbox escape vulnerability in vm2 allows arbitrary code execution in the host process when untrusted code is executed with async support on runtimes exposing WebAssembly JSPI (WebAssembly.promising / WebAssembly.Suspending). In the tested configuration, a JSPI-backed Promise can reach Promise.prototype.finally() in a way that bypasses the expected Promise-species hardening and exposes a host-originated rejection object to attacker-controlled species logic, breaking the sandbox boundary. This issue has been patched in version 3.11.4.", "A flaw was found in vm2, an open-source virtual machine (VM) sandbox for Node.js. This sandbox escape vulnerability allows an attacker to execute arbitrary code in the host process. This occurs when untrusted code is executed with asynchronous (async) support on runtimes that expose WebAssembly JavaScript Promise Integration (JSPI). Specifically, a JSPI-backed Promise can bypass expected Promise-species hardening, exposing a host-originated rejection object to attacker-controlled logic and breaking the sandbox boundary."], "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-2026-47210", "package_state": [{"cpe": "cpe:/a:redhat:rhdh:1", "fix_state": "Affected", "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": "2026-06-12T14:17:22Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-47210\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-47210\nhttps://github.com/patriksimek/vm2/commit/6915fa4d9bcebd47b9a4f39a1adc1aa94ef6ffc6\nhttps://github.com/patriksimek/vm2/releases/tag/v3.11.4\nhttps://github.com/patriksimek/vm2/security/advisories/GHSA-6j2x-vhqr-qr7q"], "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": "2026-06-12T15:30:31.794277+00:00", "updated": "2026-08-04T08:30:05.456627+00:00", "vendors": ["patriksimek", "patriksimek$PRODUCT$vm2"]}