While researching PHP vulnerabilities, I lost track of why computers work at all

On the evening of October 21, 2026, while browsing the web between tasks, a headline caught my eye: "A critical vulnerability ...

The specification is only 3 lines long. Yet it doesn't work — Calling a local app from a browser extension

Browser extensions live inside a box.They can touch the page's DOM. They can peek at network traffic. They can have storage. But they cannot "launch an app installed on this PC." That would be a major ...