Developed a vulnerability detection template for the projectdiscovery/nuclei-templates repository, targeting a remote command injection issue in Maltrail up to version 0.53. The work centered on security testing and vulnerability research, utilizing YAML to define a CVE-specific template that identifies exploitation via the username parameter on the login endpoint. The template incorporated a proof-of-concept request and an interaction matcher to verify successful detection, with validation against representative payloads to ensure accuracy and minimize false positives. This addition expanded the repository’s detection coverage, enabling more proactive security monitoring and reducing the time required to identify exposed systems in production environments.