CVE-2026-72913 Kitty: Command injection into the child shell via chained @kitty-echo + @kitty-ssh DCS escape sequences

Kitty is a cross-platform GPU based terminal. Prior to 0.48.2, the @kitty-echo and @kitty-ssh DCS handlers in kitty/window.py write unauthenticated data to the child shell's stdin, where handleremoteecho accepts printable shell command characters and handleremotessh calls getsshdata in...