{"id":"CVE-2026-118676","aliases":[],"cve":{"records":[{"id":"CVE-2026-118676","source":"VulnCheck","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-10-28T17:28:46.441Z","published":"2026-10-28T18:59:49.071Z","modified":"2026-10-28T18:59:49.071Z"}],"publishers":[{"name":"VulnCheck","role":"CNA","organizationId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","modified":"2026-10-28T18:59:49.071Z"}],"references":[{"url":"https://github.com/n8n-io/n8n/security/advisories/GHSA-v9cx-v88r-42vw","tags":["vendor-advisory"],"source":"VulnCheck"},{"url":"https://www.vulncheck.com/advisories/n8n-before-1.123.85-2.43.5-and-2.44.1-credential-permission-check-bypass","tags":["third-party-advisory"],"source":"VulnCheck"}],"weaknesses":[{"id":"CWE-863","description":"Incorrect Authorization","source":"VulnCheck"}],"applicability":[{"source":"VulnCheck","statements":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:n8n:n8n:*:*:*:*:*:*:*:*","versionEndExcluding":"1.123.85"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:n8n:n8n:*:*:*:*:*:*:*:*","versionStartIncluding":"2.44.0","versionEndExcluding":"2.44.1"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:n8n:n8n:*:*:*:*:*:*:*:*","versionStartIncluding":"2.0.0","versionEndExcluding":"2.43.5"}]}]}]}],"prioritization":[]},"title":"n8n before 1.123.85, 2.43.5, and 2.44.1 Credential Permission Check Bypass","titleSource":"VulnCheck","descriptionSource":"VulnCheck","description":"n8n before 1.123.85, 2.43.5, and 2.44.1 contains an authorization bypass vulnerability that allows member users to use credentials they cannot access by omitting default node parameters. Attackers can save and run workflows where pre-execution checks skip credential slots, causing decrypted credential values to be sent to attacker-chosen destinations.","score":7.1,"severity":"high","published":"2026-10-28T18:59:49.071Z","modified":"2026-10-28T18:59:49.071Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"n8n-io","name":"n8n","platforms":[],"versions":[{"version":"0","status":"affected","lessThan":"1.123.85","versionType":"semver"},{"version":"1.123.85","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected","packageURL":"pkg:npm/n8n","packageIdentity":{"ecosystem":"npm","name":"n8n"},"cpes":[],"source":"VulnCheck","url":"https://www.cve.org/CVERecord?id=CVE-2026-118676"},{"vendor":"n8n-io","name":"n8n","platforms":[],"versions":[{"version":"2.44.0","status":"affected","lessThan":"2.44.1","versionType":"semver"},{"version":"2.44.1","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected","packageURL":"pkg:npm/n8n","packageIdentity":{"ecosystem":"npm","name":"n8n"},"cpes":[],"source":"VulnCheck","url":"https://www.cve.org/CVERecord?id=CVE-2026-118676"},{"vendor":"n8n-io","name":"n8n","platforms":[],"versions":[{"version":"2.0.0","status":"affected","lessThan":"2.43.5","versionType":"semver"},{"version":"2.43.5","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected","packageURL":"pkg:npm/n8n","packageIdentity":{"ecosystem":"npm","name":"n8n"},"cpes":[],"source":"VulnCheck","url":"https://www.cve.org/CVERecord?id=CVE-2026-118676"}],"remediation":[],"references":["https://github.com/n8n-io/n8n/security/advisories/GHSA-v9cx-v88r-42vw","https://www.vulncheck.com/advisories/n8n-before-1.123.85-2.43.5-and-2.44.1-credential-permission-check-bypass"],"sources":[{"name":"CVE","id":"CVE-2026-118676","modified":"2026-10-28T18:59:49.071Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-118676"}],"assessments":[{"source":"VulnCheck","vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:H/SI:L/SA:N","score":5.1},{"source":"VulnCheck","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N","score":7.1}],"sourceAffected":[],"observedAt":"2026-10-29T14:37:36.893Z","kev":{"status":"not-listed","checkedAt":"2026-10-31T14:20:31.980Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[],"aiSummary":{"text":"n8n versions before 1.123.85, 2.43.5, and 2.44.1 have an authorization bypass vulnerability, allowing member users to access credentials by omitting default node parameters. Attackers can save and run workflows, causing decrypted credential values to be sent to chosen destinations. Member user access is required.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-30T09:54:45.977Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-118676"}]}}