A web server is just any software that can be accessed with web network protocols. This can look like a lot of things. If you have Python installed you can start a web server right now by running python -m http.server. localhost:8000 in a browset would then let you browse files via the (local) web.

What kind of server do you want to run?

You could’ve been cool like that horshoe crab. But you just had to be difficult and be a smart monkey.

That’s a process error, not an individual’s fault. Sounds like not a single person reviewed the code, they just said, “sounds good, deploy!” on a major production system.

You can be certain that there are tons of other bugs in the system that just have more subtle effects.