CVE-2026-119408 (GCVE-0-2026-119408)
Vulnerability from cvelistv5
Published
2026-10-30 11:30
Modified
2026-10-30 11:30
Severity ?
8.7 (High) - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-653 - Improper Isolation or Compartmentalization
Summary
n8n before 2.42.6, 2.43.x before 2.43.3, and 3.x before 3.0.1 contains a remote code execution vulnerability via deprecated Function, Function Item, and LangChain Code nodes running outside task runner isolation. Authenticated users who can create, modify, or import workflows naming these hidden node types can execute JavaScript in the n8n main process.
References
Impacted products
Vendor Product Version
n8n-io n8n Version: 2.43.0   ≤
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    "dateReserved": "2026-10-30T01:22:43.448Z",
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