Cybersecurity researchers have disclosed details of two now-patched security flaws in the n8n workflow automation platform, including two critical bugs that could result in arbitrary command execution.
The vulnerabilities are listed below –

CVE-2026-27577 (CVSS score: 9.4) – Expression sandbox escape leading to remote code execution (RCE)
CVE-2026-27493 (CVSS score: 9.5) – Unauthenticated