{"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"}}]}}