CVE-2026-65595

{"id": "CVE-2026-65595", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-65595", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-07-23T13:51:37.064764Z"}}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}], "cvssMetricV40": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 8.9, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:L/SA:L/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", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "LOW", "subIntegrityImpact": "LOW", "vulnIntegrityImpact": "HIGH", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "LOW", "vulnAvailabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "disclosure@vulncheck.com", "affectedData": [{"vendor": "n8n-io", "product": "n8n", "versions": [{"status": "affected", "version": "2.30.0", "lessThan": "2.30.1", "versionType": "semver"}, {"status": "unaffected", "version": "2.30.1", "versionType": "semver"}], "packageURL": "pkg:npm/n8n", "defaultStatus": "unaffected"}, {"vendor": "n8n-io", "product": "n8n", "versions": [{"status": "affected", "version": "0", "lessThan": "2.29.8", "versionType": "semver"}, {"status": "unaffected", "version": "2.29.8", "versionType": "semver"}], "packageURL": "pkg:npm/n8n", "defaultStatus": "unaffected"}]}], "published": "2026-07-22T12:18:19.660", "references": [{"url": "https://github.com/n8n-io/n8n/security/advisories/GHSA-777w-rpr6-c52h", "tags": ["Mitigation", "Vendor Advisory"], "source": "disclosure@vulncheck.com"}, {"url": "https://www.vulncheck.com/advisories/n8n-before-privilege-escalation-via-token-exchange", "tags": ["Third Party Advisory"], "source": "disclosure@vulncheck.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "description": [{"lang": "en", "value": "CWE-269"}]}], "descriptions": [{"lang": "en", "value": "n8n before 2.30.1 and 2.29.8 assigns all Public API key scopes to JWTs issued through the Token Exchange module regardless of the acting user's role. On instances where the Token Exchange feature and Public API are enabled, a low-privileged user who can obtain a valid external JWT trusted by a configured issuer can use the resulting access token to invoke administrator-only Public API operations such as role escalation, user creation, and user deletion (role escalation requires an Advanced Permissions license), and, when unverified Community Package installation is enabled, achieve remote code execution."}, {"lang": "es", "value": "n8n antes de 2.30.1 y 2.29.8 asigna todos los alcances de clave de la API P\u00fablica a los JWT emitidos a trav\u00e9s del m\u00f3dulo de Intercambio de Tokens independientemente del rol del usuario actuante. En instancias donde la funci\u00f3n de Intercambio de Tokens y la API P\u00fablica est\u00e1n habilitadas, un usuario con pocos privilegios que puede obtener un JWT externo v\u00e1lido y de confianza para un emisor configurado puede usar el token de acceso resultante para invocar operaciones de la API P\u00fablica solo para administradores como escalada de roles, creaci\u00f3n de usuarios y eliminaci\u00f3n de usuarios (la escalada de roles requiere una licencia de Permisos Avanzados), y, cuando la instalaci\u00f3n de Paquetes de la Comunidad no verificados est\u00e1 habilitada, lograr la ejecuci\u00f3n remota de c\u00f3digo."}], "lastModified": "2026-10-29T20:17:32.693", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:n8n:n8n:*:*:*:*:community:node.js:*:*", "vulnerable": true, "matchCriteriaId": "FAD58B22-8643-4BEA-B0CA-21AD13FA02F2", "versionEndExcluding": "2.29.8"}, {"criteria": "cpe:2.3:a:n8n:n8n:*:*:*:*:enterprise:node.js:*:*", "vulnerable": true, "matchCriteriaId": "9138B0FD-A50E-4E58-AA0D-A0595EA9B685", "versionEndExcluding": "2.29.8"}, {"criteria": "cpe:2.3:a:n8n:n8n:2.30.0:*:*:*:community:node.js:*:*", "vulnerable": true, "matchCriteriaId": "E125F7EF-F72F-427F-82DE-D6A505B1DF8F"}, {"criteria": "cpe:2.3:a:n8n:n8n:2.30.0:*:*:*:enterprise:node.js:*:*", "vulnerable": true, "matchCriteriaId": "3C2780A0-55EC-488D-9149-EE83BA246A38"}], "operator": "OR"}]}], "sourceIdentifier": "disclosure@vulncheck.com"}