Emerging Threat: (CVE-2026-27577) n8n Remote Code Execution via Workflow Expressions
CVE-2026-27577 is a code injection flaw in n8n, an open-source workflow automation platform, that lets an authenticated user with permission to create or modify workflows run system commands on the host through crafted workflow expressions. The vulnerability carries a CVSS base score of 9.4 (Critical). Exploitation requires authentication, but only the level of access needed to build or edit a workflow, which is a routine privilege for many users of the platform.