{"cve":"CVE-2026-85165","nvd":{"published":"2026-09-03T13:06:23.710","modified":"2026-10-29T21:17:33.767","status":"Analyzed","description":"n8n versions before 2.36.2 contain an expression sandbox bypass vulnerability where free identifiers in spread, computed-key, switch-case, or class-extension positions resolve against process globals. Authenticated users with workflow-edit permission can mutate host objects through expression evaluation, with changes persisting process-wide until restart.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N","score":7.2},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","score":9.9},"cwes":["CWE-95"],"references":["https://github.com/n8n-io/n8n/security/advisories/GHSA-fg85-4wv2-p98j","https://www.vulncheck.com/advisories/n8n-before-2.36.2-expression-sandbox-bypass-via-spreadelement"],"products":["n8n:n8n"],"source":"nvd","synced_at":"2026-10-29T21:36:56.436249234+00:00"},"epss":{"cve":"CVE-2026-85165","score":0.00572,"percentile":0.47243,"date":"2026-10-29"},"kev":null,"osv":[],"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."]}