Depending on where you live, it can be up to "all and anything that you may come into direct or indirect ownership of, for the following x years". Get a job? No salary for you. Want to drive a car? Can't have insurance on a car that's not yours. Inheritance? Nope. Get married? Now half of your spouse's salary is gone. And so on.
You better hire a good lawyer if you want to declare bankruptcy... and how are you going to pay them?
The typical guides for installing Jellyfin and friends, stop at the point where you can access the service, expecting you to secure it further.
Turns out, the default configuration for many (most) routers, is to allow external access to anything a local service will request it to allow, expecting you to secure it further.
Leaving it like that, is an explosive combo, which many users never intended to set up, but have nonetheless.