file access – CyberSecurityBoard

Critical CVEs

CVE-2026-21858: n8n Unauthenticated File Access

CVE-2026-21858 is an unauthenticated file-access vulnerability in n8n, a workflow automation platform. It was chained with CVE-2025-68613 in an attempted attack. Fixed…

CVE-2026-21858 file access n8n workflow

July 30, 2026