CVE-2026-49253: Improper Limitation of a Pathname to a Restricted Directory

electerm is an open-sourced terminal/ssh/sftp/telnet/serialport/RDP/VNC/Spice/ftp client. Prior to 3.11.11, electerm uses remote-supplied filenames directly with path.join while receiving Zmodem and Trzsz transfers. In src/app/server/zmodem.js, prepareReceiveFile joins the filename to the...