CVE-2026-48778: Improper Neutralization of Special Elements used in an OS Command

Notepad++ is a free and open-source source code editor. Prior to 8.9.6.1, the tag in config.xml is read by NppXml::value Parameters.cpp:6430 and stored in nppGUI.commandLineInterpreter without any validation, whitelist, or digital signature check. When the user triggers IDMFILEOPENCMD File → Open...