CVE-2026-15521
Full vulnerability record from the local CVENow database.
Description
A vulnerability was identified in makafeli n8n-workflow-builder up to 0.11.0. Affected is an unknown function of the file build/server.cjs of the component update_node_from_file. The manipulation of the argument filePath leads to path traversal. An attack has to be approached locally. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.
Severity
LOW
CVSS score
1.9
(v4.0)
Vulnerability status
Deferred
Source identifier
Published
2026-07-13 02:16:10.717000
Last modified
2026-10-24 22:10:00.210000
View original CVE JSON
{
"id": "CVE-2026-15521",
"sourceIdentifier": "[email protected]",
"published": "2026-07-13T02:16:10.717",
"lastModified": "2026-10-24T22:10:00.210",
"vulnStatus": "Deferred",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability was identified in makafeli n8n-workflow-builder up to 0.11.0. Affected is an unknown function of the file build/server.cjs of the component update_node_from_file. The manipulation of the argument filePath leads to path traversal. An attack has to be approached locally. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet."
},
{
"lang": "es",
"value": "Se identificó una vulnerabilidad en makafeli n8n-workflow-builder hasta la versión 0.11.0. Afecta a una función desconocida del archivo build/server.cjs del componente update_node_from_file. La manipulación del argumento filePath conduce a un salto de ruta. Un ataque debe abordarse localmente. El exploit está disponible públicamente y podría ser utilizado. El proyecto fue informado del problema tempranamente a través de un informe de incidencias pero aún no ha respondido."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "makafeli",
"product": "n8n-workflow-builder",
"cpes": [
"cpe:2.3:a:makafeli:n8n-workflow-builder:*:*:*:*:*:*:*:*"
],
"modules": [
"update_node_from_file"
],
"versions": [
{
"version": "0.1",
"status": "affected"
},
{
"version": "0.2",
"status": "affected"
},
{
"version": "0.3",
"status": "affected"
},
{
"version": "0.4",
"status": "affected"
},
{
"version": "0.5",
"status": "affected"
},
{
"version": "0.6",
"status": "affected"
},
{
"version": "0.7",
"status": "affected"
},
{
"version": "0.8",
"status": "affected"
},
{
"version": "0.9",
"status": "affected"
},
{
"version": "0.10",
"status": "affected"
},
{
"version": "0.11.0",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV40": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "4.0",
"vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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": 1.9,
"baseSeverity": "LOW",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"vulnConfidentialityImpact": "LOW",
"vulnIntegrityImpact": "LOW",
"vulnAvailabilityImpact": "LOW",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"subAvailabilityImpact": "NONE",
"exploitMaturity": "PROOF_OF_CONCEPT",
"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"
}
}
],
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"availabilityImpact": "LOW"
},
"exploitabilityScore": 1.8,
"impactScore": 3.4
}
],
"cvssMetricV2": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "2.0",
"vectorString": "AV:L/AC:L/Au:S/C:P/I:P/A:P",
"baseScore": 4.3,
"accessVector": "LOCAL",
"accessComplexity": "LOW",
"authentication": "SINGLE",
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"availabilityImpact": "PARTIAL"
},
"baseSeverity": "MEDIUM",
"exploitabilityScore": 3.1,
"impactScore": 6.4,
"acInsufInfo": false,
"obtainAllPrivilege": false,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-07-15T15:37:25.152762Z",
"id": "CVE-2026-15521",
"options": [
{
"exploitation": "poc"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-22"
}
]
}
],
"references": [
{
"url": "https://github.com/makafeli/n8n-workflow-builder/",
"source": "[email protected]"
},
{
"url": "https://github.com/makafeli/n8n-workflow-builder/issues/28",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/cve/CVE-2026-15521",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/submit/854522",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/vuln/377850",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/vuln/377850/cti",
"source": "[email protected]"
}
]
}