Your company’s data is under siege—and it’s not just a matter of if, but when hackers will strike. Here’s the alarming truth: a critical security flaw in the widely-used open-source automation platform, n8n, has been exposed, and it’s a goldmine for cybercriminals. The National Computer Emergency Response Team (National CERT) has sounded the alarm, warning that this vulnerability could grant attackers full control over your systems with shocking ease. But here’s where it gets even more unsettling: this isn’t an isolated incident. It’s part of a disturbing trend of n8n vulnerabilities that have emerged in recent weeks, signaling a growing appetite among hackers to exploit this platform.
Tracked as CVE-2026-21858, this flaw is as severe as it gets, scoring a perfect 10.0 on the CVSS scale. It allows unauthenticated attackers to execute arbitrary commands remotely, bypassing even the most basic security checks. And this is the part most people miss: no authentication or user interaction is required, making
