PowerJob Transport Endpoint TestController.java MuConnectionManager.getOrCreateConnection server-side request forgery

A vulnerability was identified in PowerJob up to 5.1.2. Impacted is the function MuConnectionManager.getOrCreateConnection of the file powerjob-server/powerjob-server-starter/src/main/java/tech/powerjob/server/web/controller/TestController.java of the component Transport Endpoint. The manipulation leads to server-side request forgery. The attack is possible to be carried out remotely. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.