CVE-2026-47141
Full vulnerability record from the local CVENow database.
Description
vm2 is an open source vm/sandbox for Node.js. Prior to version 3.11.4, NodeVM exposes some process-wide observability builtins when they are allowed through require.builtin. The diagnostics_channel, async_hooks, and perf_hooks builtins are not blocked by the dangerous builtin denylist. These modules are process-wide, not sandbox-local. Sandboxed code can use them to observe host application data across the vm2 boundary. This issue has been patched in version 3.11.4.
Severity
MEDIUM
CVSS score
6.9
(v4.0)
Vulnerability status
Deferred
Source identifier
Published
2026-06-12 15:16:28.537000
Last modified
2026-10-26 11:10:00.157000
View original CVE JSON
{
"id": "CVE-2026-47141",
"sourceIdentifier": "[email protected]",
"published": "2026-06-12T15:16:28.537",
"lastModified": "2026-10-26T11:10:00.157",
"vulnStatus": "Deferred",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "vm2 is an open source vm/sandbox for Node.js. Prior to version 3.11.4, NodeVM exposes some process-wide observability builtins when they are allowed through require.builtin. The diagnostics_channel, async_hooks, and perf_hooks builtins are not blocked by the dangerous builtin denylist. These modules are process-wide, not sandbox-local. Sandboxed code can use them to observe host application data across the vm2 boundary. This issue has been patched in version 3.11.4."
},
{
"lang": "es",
"value": "vm2 es una vm/sandbox de código abierto para Node.js. Antes de la versión 3.11.4, NodeVM expone algunos integrados de observabilidad a nivel de proceso cuando se permiten a través de require.builtin. Los integrados diagnostics_channel, async_hooks y perf_hooks no son bloqueados por la lista de denegación de integrados peligrosos. Estos módulos son a nivel de proceso, no locales a la sandbox. El código en sandbox puede usarlos para observar datos de la aplicación anfitriona a través del límite de vm2. Este problema ha sido parcheado en la versión 3.11.4."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "patriksimek",
"product": "vm2",
"versions": [
{
"version": "< 3.11.4",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV40": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "4.0",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"baseScore": 6.9,
"baseSeverity": "MEDIUM",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"vulnConfidentialityImpact": "LOW",
"vulnIntegrityImpact": "NONE",
"vulnAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"subAvailabilityImpact": "NONE",
"exploitMaturity": "NOT_DEFINED",
"confidentialityRequirement": "NOT_DEFINED",
"integrityRequirement": "NOT_DEFINED",
"availabilityRequirement": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"valueDensity": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"providerUrgency": "NOT_DEFINED"
}
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-06-13T03:08:58.025345Z",
"id": "CVE-2026-47141",
"options": [
{
"exploitation": "poc"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-668"
}
]
}
],
"references": [
{
"url": "https://github.com/patriksimek/vm2/commit/e1c48fce05189f48e71efbd32af0754efa4066bb",
"source": "[email protected]"
},
{
"url": "https://github.com/patriksimek/vm2/releases/tag/v3.11.4",
"source": "[email protected]"
},
{
"url": "https://github.com/patriksimek/vm2/security/advisories/GHSA-9g8x-92q2-p28f",
"source": "[email protected]"
},
{
"url": "https://github.com/patriksimek/vm2/security/advisories/GHSA-9g8x-92q2-p28f",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
}
]
}