{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "packageURL": "pkg:npm/n8n", "product": "n8n", "vendor": "n8n-io", "versions": [{"lessThan": "1.123.64", "status": "affected", "version": "0", "versionType": "semver"}, {"status": "unaffected", "version": "1.123.64", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "packageURL": "pkg:npm/n8n", "product": "n8n", "vendor": "n8n-io", "versions": [{"lessThan": "2.30.1", "status": "affected", "version": "2.30.0", "versionType": "semver"}, {"status": "unaffected", "version": "2.30.1", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "packageURL": "pkg:npm/n8n", "product": "n8n", "vendor": "n8n-io", "versions": [{"lessThan": "2.29.8", "status": "affected", "version": "2.0.0-rc.0", "versionType": "semver"}, {"status": "unaffected", "version": "2.29.8", "versionType": "semver"}]}], "source": "disclosure@vulncheck.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:n8n:n8n:*:*:*:*:community:node.js:*:*", "matchCriteriaId": "843094AD-81C8-4961-A8A1-037468DEACA7", "versionEndExcluding": "1.123.64", "vulnerable": true}, {"criteria": "cpe:2.3:a:n8n:n8n:*:*:*:*:enterprise:node.js:*:*", "matchCriteriaId": "E1626500-EC42-4BF5-8ECE-6E5E249D37F6", "versionEndExcluding": "1.123.64", "vulnerable": true}, {"criteria": "cpe:2.3:a:n8n:n8n:*:*:*:*:community:node.js:*:*", "matchCriteriaId": "3281592C-CB07-412C-9770-3521447ADEC1", "versionEndExcluding": "2.29.8", "versionStartIncluding": "2.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:n8n:n8n:*:*:*:*:enterprise:node.js:*:*", "matchCriteriaId": "E4A0C557-F57B-4931-A857-ACC4639C030D", "versionEndExcluding": "2.29.8", "versionStartIncluding": "2.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:n8n:n8n:2.30.0:*:*:*:community:node.js:*:*", "matchCriteriaId": "E125F7EF-F72F-427F-82DE-D6A505B1DF8F", "vulnerable": true}, {"criteria": "cpe:2.3:a:n8n:n8n:2.30.0:*:*:*:enterprise:node.js:*:*", "matchCriteriaId": "3C2780A0-55EC-488D-9149-EE83BA246A38", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "n8n contains a sanitizer bypass vulnerability in the legacy expression evaluator's computed-member handler. An authenticated user with workflow create or modify permissions can craft a malicious expression to bypass the sanitizer and achieve host-level code execution as the n8n process. The legacy expression engine is the default in affected versions. Fixed in n8n 1.123.64, 2.29.8, and 2.30.1."}, {"lang": "es", "value": "n8n contiene una vulnerabilidad de omisi\u00f3n de saneador en el gestor de miembros computados del evaluador de expresiones heredado. Un usuario autenticado con permisos para crear o modificar flujos de trabajo puede crear una expresi\u00f3n maliciosa para omitir el saneador y lograr la ejecuci\u00f3n de c\u00f3digo a nivel de host como el proceso de n8n. El motor de expresiones heredado es el predeterminado en las versiones afectadas. Corregido en n8n 1.123.64, 2.29.8 y 2.30.1."}], "id": "CVE-2026-65591", "lastModified": "2026-10-29T19:17:26.320", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.9, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "LOW", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "userInteraction": "NONE", "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:H/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", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "disclosure@vulncheck.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-65591", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-07-22T15:49:18.716129Z", "version": "2.0.3"}}]}, "published": "2026-07-22T12:18:19.117", "references": [{"source": "disclosure@vulncheck.com", "tags": ["Mitigation", "Vendor Advisory"], "url": "https://github.com/n8n-io/n8n/security/advisories/GHSA-pm35-fqvh-cq5g"}, {"source": "disclosure@vulncheck.com", "tags": ["Third Party Advisory"], "url": "https://www.vulncheck.com/advisories/n8n-before-sanitizer-bypass-remote-code-execution"}], "sourceIdentifier": "disclosure@vulncheck.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-917"}], "source": "disclosure@vulncheck.com", "type": "Secondary"}]}