The Hacker News - Critical n8n Vulnerability (CVSS 10.0) Allows Unauthenticated Attackers to Take Full Control

Cybersecurity researchers have disclosed details of yet another maximum-severity security flaw in n8n, a popular workflow automation platform, that allows an unauthenticated remote attacker to gain complete control over susceptible instances. The vulnerability, tracked as CVE-2026-21858 (CVSS score: 10.0), has been codenamed Ni8mare by Cyera Research Labs. Security researcher Dor Attias has been

from The Hacker News https://thehackernews.com/2026/01/critical-n8n-vulnerability-cvss-100.html

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