{"id":"CVE-2026-65589","aliases":[],"cve":{"records":[{"id":"CVE-2026-65589","source":"VulnCheck","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-07-22T10:45:44.832Z","published":"2026-07-22T11:21:39.365Z","modified":"2026-10-29T21:16:21.272Z"}],"publishers":[{"name":"VulnCheck","role":"CNA","organizationId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","modified":"2026-10-29T21:16:21.272Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-07-23T13:53:56.061Z"}],"references":[{"url":"https://github.com/n8n-io/n8n/security/advisories/GHSA-89gh-3pgc-v5h2","tags":["vendor-advisory"],"source":"VulnCheck"},{"url":"https://www.vulncheck.com/advisories/n8n-before-credential-exposure-via-llm-node-execution-data","tags":["third-party-advisory"],"source":"VulnCheck"}],"weaknesses":[{"id":"CWE-532","description":"Insertion of Sensitive Information into Log File","source":"VulnCheck"}],"applicability":[{"source":"VulnCheck","statements":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:n8n:n8n:*:*:*:*:*:node.js:*:*","versionEndExcluding":"1.123.64"},{"vulnerable":true,"criteria":"cpe:2.3:a:n8n:n8n:*:*:*:*:*:node.js:*:*","versionEndExcluding":"2.30.1","versionStartIncluding":"2.30.0"},{"vulnerable":true,"criteria":"cpe:2.3:a:n8n:n8n:*:*:*:*:*:node.js:*:*","versionEndExcluding":"2.29.8","versionStartIncluding":"2.0.0-rc.0"}]}]}]}],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-07-23T13:52:00.547281Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"no"},{"name":"Technical Impact","value":"partial"}]}]},"title":"n8n before 1.123.64 Credential Exposure via LLM Node Execution Data","titleSource":"VulnCheck","descriptionSource":"VulnCheck","description":"n8n versions before 1.123.64 fail to properly mask custom HTTP header credentials in LLM sub-node execution data, writing plaintext API keys and secrets to workflow execution records. Authenticated users with access to execution data can read exposed header values and credentials that persist in the database and can be exported.","score":5.1,"severity":"medium","published":"2026-07-22T11:21:39.365Z","modified":"2026-10-29T21:16:21.272Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"n8n-io","name":"n8n","platforms":[],"versions":[{"version":"0","status":"affected","lessThan":"1.123.64","versionType":"semver"},{"version":"1.123.64","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-2026-65589"},{"vendor":"n8n-io","name":"n8n","platforms":[],"versions":[{"version":"2.30.0","status":"affected","lessThan":"2.30.1","versionType":"semver"},{"version":"2.30.1","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-2026-65589"},{"vendor":"n8n-io","name":"n8n","platforms":[],"versions":[{"version":"2.0.0-rc.0","status":"affected","lessThan":"2.29.8","versionType":"semver"},{"version":"2.29.8","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-2026-65589"}],"remediation":[],"references":["https://github.com/n8n-io/n8n/security/advisories/GHSA-89gh-3pgc-v5h2","https://www.vulncheck.com/advisories/n8n-before-credential-exposure-via-llm-node-execution-data"],"sources":[{"name":"CVE","id":"CVE-2026-65589","modified":"2026-10-29T21:16:21.272Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-65589"}],"assessments":[{"source":"VulnCheck","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:H/SI:L/SA:N","score":5.1}],"sourceAffected":[],"observedAt":"2026-10-29T21:57:51.376Z","kev":{"status":"not-listed","checkedAt":"2026-10-31T11:50:31.946Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-10-29T19:20:32.418Z","attemptedAt":"2026-10-29T19:20:32.418Z"},{"source":"GHSA","status":"available","checkedAt":"2026-10-29T19:20:32.657Z","attemptedAt":"2026-10-29T19:20:32.657Z"},{"source":"EUVD","status":"available","checkedAt":"2026-10-29T19:20:32.446Z","attemptedAt":"2026-10-29T19:20:32.446Z"},{"source":"EPSS","status":"available","checkedAt":"2026-10-29T19:20:32.849Z","attemptedAt":"2026-10-29T19:20:32.849Z"}],"evidence":[{"source":"NVD","id":"CVE-2026-65589","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-65589","modified":"2026-10-29T19:17:25.990","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:H/SI:L/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","checkedAt":"2026-10-29T19:20:32.418Z"},{"source":"NVD","id":"CVE-2026-65589","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-65589","modified":"2026-10-29T19:17:25.990","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","checkedAt":"2026-10-29T19:20:32.418Z"},{"source":"ENISA EUVD","id":"EUVD-2026-47633","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-47633","modified":"Oct 29, 2026, 6:24:02 PM","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:H/SI:L/SA:N","checkedAt":"2026-10-29T19:20:32.446Z"},{"source":"GitHub Advisory Database","id":"GHSA-89gh-3pgc-v5h2","url":"https://github.com/advisories/GHSA-89gh-3pgc-v5h2","modified":"2026-07-22T22:54:02Z","checkedAt":"2026-10-29T19:20:32.657Z"},{"source":"FIRST EPSS","id":"CVE-2026-65589","url":"https://www.first.org/epss/","probability":0.00484,"percentile":0.41616,"date":"2026-10-29","checkedAt":"2026-10-29T19:20:32.849Z"}],"aiSummary":{"text":"n8n versions before 1.123.64 expose credentials via LLM node execution data. Authenticated users can read exposed header values and credentials.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-30T09:33:58.140Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-65589"}]}}