CVSS 9.9 (critical) · published 2026-08-11
n8n before 2.31.5 and before 2.32.1 contain a sandbox escape vulnerability in expression evaluation. An authenticated user with permission to create or modify workflows can craft expressions using arrow-function bodies to bypass the expression sandbox, triggering system command execution on the host running n8n. The issue is fixed in versions 2.31.5 and 2.32.1.
Affected products (NVD): n8n n8n
Fixed in (NVD): 2.31.5
Weakness: CWE-94
Source: NVD CVE-2026-72765
Connect an AI agent to the FixLane MCP server or ask the Telegram bot to check what you have installed against incidents with a verified fixed version.