Factorio Forums

It is possible to execute arbitrary lua (althought limited) on remote servers, allowing you to hang the server, print to the console, and more.

I will not be revealing how (for the sake of preventing server hang based grief, which stops on-crash saving)

See the email I have sent to factorio@factorio.com for details and an example.

I've "fixed" it by just removing the ability to set it through RGB.