CVE-2026-43997
Full vulnerability record from the local CVENow database.
Description
vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.0, it is possible to obtain the host Object. There are various ways to use the host Object, to escape the sandbox, one example would be using HostObject.getOwnPropertySymbols to obtain Symbol(nodejs.util.inspect.custom). This vulnerability is fixed in 3.11.0.
Severity
CRITICAL
CVSS score
10.0
(v3.1)
Vulnerability status
Modified
Source identifier
Published
2026-05-13 18:16:16.177000
Last modified
2026-10-26 17:10:03.270000
View original CVE JSON
{
"id": "CVE-2026-43997",
"sourceIdentifier": "[email protected]",
"published": "2026-05-13T18:16:16.177",
"lastModified": "2026-10-26T17:10:03.270",
"vulnStatus": "Modified",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.0, it is possible to obtain the host Object. There are various ways to use the host Object, to escape the sandbox, one example would be using HostObject.getOwnPropertySymbols to obtain Symbol(nodejs.util.inspect.custom). This vulnerability is fixed in 3.11.0."
},
{
"lang": "es",
"value": "vm2 es un vm/sandbox de código abierto para Node.js. Antes de la versión 3.11.0, es posible obtener el objeto host. Existen varias formas de usar el objeto host para escapar de la sandbox; un ejemplo sería usar HostObject.getOwnPropertySymbols para obtener Symbol(nodejs.util.inspect.custom). Esta vulnerabilidad está corregida en la versión 3.11.0."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "patriksimek",
"product": "vm2",
"versions": [
{
"version": "< 3.11.0",
"status": "affected"
}
]
}
]
},
{
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
"affectedData": [
{
"vendor": "Red Hat",
"product": "Red Hat Ansible Automation Platform 2.1",
"defaultStatus": "affected",
"collectionURL": "https://catalog.redhat.com/software/containers/",
"packageName": "ansible-automation-platform/automation-portal",
"cpes": [
"cpe:/a:redhat:ansible_portal:2.1"
],
"versions": [
{
"version": "1785854226",
"lessThan": "*",
"versionType": "rpm",
"status": "unaffected"
}
]
},
{
"vendor": "Red Hat",
"product": "Red Hat Developer Hub",
"defaultStatus": "unaffected",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "rhdh/rhdh-hub-rhel9",
"cpes": [
"cpe:/a:redhat:rhdh:1"
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
"baseScore": 10.0,
"baseSeverity": "CRITICAL",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "CHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 3.9,
"impactScore": 6.0
},
{
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
"baseScore": 10.0,
"baseSeverity": "CRITICAL",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "CHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 3.9,
"impactScore": 6.0
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-05-13T00:00:00+00:00",
"id": "CVE-2026-43997",
"options": [
{
"exploitation": "poc"
},
{
"automatable": "yes"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-94"
}
]
},
{
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-653"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:a:vm2_project:vm2:*:*:*:*:*:node.js:*:*",
"versionEndExcluding": "3.11.0",
"matchCriteriaId": "6DD48308-6219-4C66-9BE7-246EE56FB834"
}
]
}
]
}
],
"references": [
{
"url": "https://github.com/patriksimek/vm2/security/advisories/GHSA-47x8-96vw-5wg6",
"source": "[email protected]",
"tags": [
"Exploit",
"Vendor Advisory"
]
},
{
"url": "https://access.redhat.com/errata/RHSA-2026:50850",
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"
},
{
"url": "https://access.redhat.com/security/cve/CVE-2026-43997",
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"
},
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2477203",
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"
},
{
"url": "https://github.com/patriksimek/vm2/security/advisories/GHSA-47x8-96vw-5wg6",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"tags": [
"Exploit",
"Vendor Advisory"
]
},
{
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-43997.json",
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"
}
]
}