{"cve":"CVE-2026-65589","nvd":{"published":"2026-07-22T12:18:18.857","modified":"2026-10-24T17:10:00.220","status":"Analyzed","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.","cvss_v4":{"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},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","score":6.5},"cwes":["CWE-532"],"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"],"products":["n8n:n8n"],"source":"nvd","synced_at":"2026-10-25T17:50:08.599881581+00:00"},"epss":{"cve":"CVE-2026-65589","score":0.00484,"percentile":0.41388,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-89gh-3pgc-v5h2","url":"https://osv.dev/vulnerability/GHSA-89gh-3pgc-v5h2","summary":"n8n: Custom Header Credential Values Leaked in Plaintext into LLM Node Execution Data","modified":"2026-07-22T23:11:44.096072Z","packages":[{"ecosystem":"npm","name":"n8n","purl":"pkg:npm/n8n","ranges":["<1.123.64"],"fixed":["1.123.64"]},{"ecosystem":"npm","name":"n8n","purl":"pkg:npm/n8n","ranges":[">=2.30.0 <2.30.1"],"fixed":["2.30.1"]},{"ecosystem":"npm","name":"n8n","purl":"pkg:npm/n8n","ranges":[">=2.0.0-rc.0 <2.29.8"],"fixed":["2.29.8"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}