{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-110844", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-10-14T22:12:22.055Z", "datePublished": "2026-10-14T22:52:19.623Z", "dateUpdated": "2026-10-15T15:42:13.075Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-10-14T22:52:19.623Z" }, "datePublic": "2026-09-30T00:00:00.000Z", "title": "n8n before 1.123.83 Credential Authorization Bypass via Nested Inline Sub-Workflows", "descriptions": [ { "lang": "en", "value": "n8n before 1.123.83 contains an authorization bypass vulnerability that allows shared-workflow editors to use credentials they cannot access by embedding them in nested or tool inline sub-workflows. Attackers can save workflows with Workflow Tool or Workflow Retriever inline definitions referencing restricted credentials, which execute using the workflow owner's credential values." } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "description": "Incorrect Authorization", "cweId": "CWE-863", "type": "CWE" } ] } ], "affected": [ { "vendor": "n8n-io", "product": "n8n", "defaultStatus": "unaffected", "packageURL": "pkg:npm/n8n", "versions": [ { "version": "0", "status": "affected", "versionType": "semver", "lessThan": "1.123.83" } ] } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:n8n:n8n:*:*:*:*:*:*:*:*", "versionEndExcluding": "1.123.83" } ] } ] } ], "metrics": [ { "format": "CVSS", "cvssV4_0": { "version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:L/VA:N/SC:H/SI:H/SA:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "subAvailabilityImpact": "NONE", "baseScore": 7.2, "baseSeverity": "HIGH" } } ], "references": [ { "url": "https://github.com/n8n-io/n8n/security/advisories/GHSA-r6g9-5cpp-ppwr", "tags": [ "vendor-advisory" ], "name": "GitHub Security Advisory (GHSA-r6g9-5cpp-ppwr)" }, { "name": "VulnCheck Advisory: n8n before 1.123.83 Credential Authorization Bypass via Nested Inline Sub-Workflows", "tags": [ "third-party-advisory" ], "url": "https://www.vulncheck.com/advisories/n8n-before-1.123.83-credential-authorization-bypass-via-nested-inline-sub-workflows" } ], "credits": [ { "lang": "en", "value": "SunKimsroul", "type": "reporter" } ], "x_generator": { "engine": "vulncheck-endgame" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-10-15T15:41:57.524540Z", "id": "CVE-2026-110844", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-15T15:42:13.075Z" } } ] } }