VulnerabilitiesCritical

Critical n8n Vulnerabilities (CVE-2026-21858, CVE-2026-21877) Allow Full System Takeover

Friday, March 27, 2026
Global
https://thehackernews.com/2026/01/critical-n8n-vulnerability-cvss-100.html

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

Last updated: Mar 27, 2026, 11:44 AM

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