Cyera researchers detail critical ‘Ni8mare’ vulnerability allowing full takeover of n8n instances

A new report out today from  data security company Cyera Ltd. is warning that a recently discovered critical security vulnerability in workflow automation platform n8n puts thousands of organizations at risk of full system compromise. The vulnerability, tracked as CVE-2026-21858 and assigned a maximum Common Vulnerability Scoring System score of 10.0, can allow unauthenticated attackers […]
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