HTTP/2 Request Smuggling: Why H2.CL, H2.TE, and Browser Desync Still Pay
A lot of people still picture it as a 2019-era party trick: tweak Content-Length, maybe sneak in a weird Transfer-Encoding, and hope a proxy somewhere gets confused. Sometimes it works, often it doesn’t, and the whole thing can feel like chasing ghosts. In 2025 alone, James Kettle's