CVE-2026-56847
Full vulnerability record from the local CVENow database.
Description
A flaw in Node.js Permission Model enforcement allows `trace_events.createTracing().enable()` Writes Trace Logs Outside `--allow-fs-write`. This can lead to confidentiality impact or bypass of the intended security boundary under affected configurations. This vulnerability affects Node.js **22.x**, **24.x**, and **26.x**.
Severity
MEDIUM
CVSS score
6.1
(v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2026-07-30 06:25:54.953000
Last modified
2026-10-23 22:10:00.160000
View original CVE JSON
{
"id": "CVE-2026-56847",
"sourceIdentifier": "[email protected]",
"published": "2026-07-30T06:25:54.953",
"lastModified": "2026-10-23T22:10:00.160",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A flaw in Node.js Permission Model enforcement allows `trace_events.createTracing().enable()` Writes Trace Logs Outside `--allow-fs-write`.\r\n\r\nThis can lead to confidentiality impact or bypass of the intended security boundary under affected configurations.\r\n\r\nThis vulnerability affects Node.js **22.x**, **24.x**, and **26.x**."
},
{
"lang": "es",
"value": "Un fallo en la aplicación del Modelo de Permisos de Node.js permite que ’trace_events.createTracing().enable()’ escriba registros de trazas fuera de ’--allow-fs-write’.\n\nEsto puede llevar a un impacto en la confidencialidad o a la elusión del límite de seguridad previsto bajo configuraciones afectadas.\n\nEsta vulnerabilidad afecta a Node.js 22.x, 24.x, y 26.x."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "nodejs",
"product": "node",
"defaultStatus": "unaffected",
"versions": [
{
"version": "26.5.0",
"lessThanOrEqual": "26.5.0",
"versionType": "semver",
"status": "affected"
},
{
"version": "24.18.0",
"lessThanOrEqual": "24.18.0",
"versionType": "semver",
"status": "affected"
},
{
"version": "22.23.1",
"lessThanOrEqual": "22.23.1",
"versionType": "semver",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Primary",
"cvssData": {
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N",
"baseScore": 6.1,
"baseSeverity": "MEDIUM",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "LOW",
"availabilityImpact": "NONE"
},
"exploitabilityScore": 1.8,
"impactScore": 4.2
}
],
"cvssMetricV30": [
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"source": "[email protected]",
"type": "Secondary",
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"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"availabilityImpact": "NONE"
},
"exploitabilityScore": 1.8,
"impactScore": 1.4
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-07-30T12:34:51.815184Z",
"id": "CVE-2026-56847",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
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}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-1119"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
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"references": [
{
"url": "https://nodejs.org/en/blog/vulnerability/july-2026-security-releases",
"source": "[email protected]",
"tags": [
"Vendor Advisory"
]
}
]
}