Security News Critical n8n Flaw (CVSS 9.9) Enables Arbitrary Code Execution Across Thousands of Instances TheHackerNews Daniel Bender 23 Dec 2025 Critical n8n flaw CVE-2025-68613 (CVSS 9.9) lets authenticated users run arbitrary code; versions 0.211.0–1.120.4 affected, patched in newer releases.