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Critical n8n Security Vulnerabilities: What Automation Agencies Need to Know
Description
What Happened On March 31st, 2026, security researchers disclosed four critical vulnerabilities in n8n, the workflow automation platform. Two of them (CVE-2026-27577 and CVE-2026-27493) scored above 9.0 on the CVSS scale. The worst part? CVE-2026-27493 requires zero authentication. An attacker could exploit a public "Contact Us" form to execute arbitrary shell commands on your n8n server. If you're running n8n for client work, this matters. A lot. The Technical Details (Briefly) CVE-2026-27
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