{"id":"CVE-2026-72771","sourceIdentifier":"disclosure@vulncheck.com","published":"2026-08-11T13:19:07.490","lastModified":"2026-10-24T15:10:00.190","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"n8n versions before 2.32.1 fail to enforce the Allowed HTTP Request Domains allowlist in multiple AI and LLM nodes when user-supplied base or endpoint URLs are configured. Low-privileged workflow editors with use-only access to shared credentials can redirect requests to attacker-controlled hosts and exfiltrate credential secrets for reuse against underlying services."},{"lang":"es","value":"Las versiones de n8n anteriores a la 2.32.1 no logran hacer cumplir la lista de permitidos de Dominios de Solicitudes HTTP en múltiples nodos de IA y LLM cuando se configuran URLs base o de punto final proporcionadas por el usuario. Editores de flujo de trabajo con bajos privilegios y acceso de solo uso a credenciales compartidas pueden redirigir solicitudes a hosts controlados por el atacante y exfiltrar secretos de credenciales para su reutilización contra servicios subyacentes."}],"affected":[{"source":"disclosure@vulncheck.com","affectedData":[{"vendor":"n8n-io","product":"n8n","defaultStatus":"unaffected","packageURL":"pkg:npm/n8n","versions":[{"version":"0","lessThan":"2.32.1","versionType":"semver","status":"affected"},{"version":"2.32.1","versionType":"semver","status":"unaffected"}]},{"vendor":"n8n-io","product":"n8n","defaultStatus":"unaffected","packageURL":"pkg:npm/n8n","versions":[{"version":"0","lessThan":"2.31.5","versionType":"semver","status":"affected"},{"version":"2.31.5","versionType":"semver","status":"unaffected"}]}]}],"metrics":{"cvssMetricV40":[{"source":"disclosure@vulncheck.com","type":"Secondary","cvssData":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N/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","baseScore":7.1,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","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":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":3.6}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-08-14T19:49:23.438587Z","id":"CVE-2026-72771","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"disclosure@vulncheck.com","type":"Secondary","description":[{"lang":"en","value":"CWE-863"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:n8n:n8n:*:*:*:*:community:node.js:*:*","versionEndExcluding":"2.31.5","matchCriteriaId":"77334F54-882E-43E7-83E5-A2615D82558D"},{"vulnerable":true,"criteria":"cpe:2.3:a:n8n:n8n:*:*:*:*:enterprise:node.js:*:*","versionEndExcluding":"2.31.5","matchCriteriaId":"0C65E4DA-D340-4786-8C75-89319F5D65C8"},{"vulnerable":true,"criteria":"cpe:2.3:a:n8n:n8n:2.32.0:*:*:*:community:node.js:*:*","matchCriteriaId":"A6AC605A-BDCF-4BFC-8B13-760CA2BD4C6C"},{"vulnerable":true,"criteria":"cpe:2.3:a:n8n:n8n:2.32.0:*:*:*:enterprise:node.js:*:*","matchCriteriaId":"20BD46BF-7D8F-4035-A8B9-E8338BF96909"}]}]}],"references":[{"url":"https://github.com/n8n-io/n8n/security/advisories/GHSA-64xh-79j6-r5v8","source":"disclosure@vulncheck.com","tags":["Mitigation","Vendor Advisory"]},{"url":"https://www.vulncheck.com/advisories/n8n-before-credential-restriction-bypass-via-ai-llm-nodes","source":"disclosure@vulncheck.com","tags":["Third Party Advisory"]}]}