Rascals are always sociable, and the chief sign that a man has any nobility in his character is the little pleasure he takes in others company. Arthur Schopenhauer

You almost certainly have Apache httpd in your network somewhere. Just like Log4j, httpd has a habit of getting itself quietly included into software projects, for example as part of an internal service that works so well that it rarely draws attention to itself, or as a component built unobtrusively into a product or service you sell that isn’t predominantly thought of as “containing a web server”. Apache’s other product: Critical bugs in ‘httpd’ web server, patch now