CVE-2026-21858

CVE-2026-21858 + CVE-2025-68613 - n8n RCE Exploit Unauthenticated RCE chain for n8n 1.121.0 CVSS 10.0 Attack Chain 1. CVE-2026-21858 - Content-Type confusion → read /home/node/.n8n/config and database.sqlite 2. Extract encryption key and admin credentials from files 3. Forge admin JWT token 4...