Spring Cloud Config Server versions 2.1.x prior to 2.1.2, 2.0.x prior to 2.0.4, 1.4.x prior to 1.4.6, and older unsupported versions are vulnerable to local file inclusion because they allow applications to serve arbitrary configuration files. An attacker can send a request using a specially crafted URL that can lead to a directory traversal attack.
View the template here CVE-2019-3799.yaml
References:
https://github.com/0xT11/CVE-POC