CyberICT

CVE-2026-85165

N8N · Published September 3, 2026

CVSS v3.1

CRITICAL
Patch availableGet patch

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.

Affected Products

  • N8N < 2.35.4
  • N8N <= 2.36.2

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H