Critical n8n Vulnerabilities (CVE-2026-21858, CVE-2026-21877) Allow Full System Takeover
Summary
Multiple critical vulnerabilities in n8n workflow automation platform with CVSS 10.0 scores. CVE-2026-21858 allows unauthenticated RCE and admin bypass. Over 26,000 exposed instances.
Threat Analysis
Multiple critical vulnerabilities in n8n workflow automation platform with CVSS 10.0 scores. CVE-2026-21858 allows unauthenticated RCE and admin bypass. Over 26,000 exposed instances.
**Associated CVEs:** CVE-2026-21858, CVE-2026-21877, CVE-2025-68613
**Source:** https://thehackernews.com/2026/01/critical-n8n-vulnerability-cvss-100.html
**Recommended Actions:** - Apply security patches immediately if available - Monitor for indicators of compromise - Review and update security configurations - Implement network segmentation where applicable