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TechRadar
TechRadar
Sead Fadilpašić

Critical n8n flaws discovered - here's how to stay safe

An image of an n8n workflow.

  • New flaw in n8n (CVE-2026-25049) allows unauthenticated users to run arbitrary commands on servers
  • Vulnerability risks theft of secrets (API keys, OAuth tokens) and cross-tenant data exposure
  • Patch released in v2.4.0; PoC already public, making immediate updates critical despite temporary workarounds
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