The host is installed with Node.js 14.x before 14.21.1, 16.x before 16.18.1, 18.x before 18.12.1 or 19.x before 19.0.1 and is prone to a DNS rebinding vulnerability. A flaw is present in the application, which fails to handle invalid IP addresses. On successful exploitation, an attacker can perform DNS rebinding and execute arbitrary code.