CVE-2026-90938 LangBot through 0.4.17 Unauthenticated Plugin Registration via WebSocket

LangBot's plugin runtime pip package langbotplugin through 0.4.17 starts a debug WebSocket server on 0.0.0.0:5401 /plugin/ws whose authentication is gated on plugindebugkey, which defaults to an empty string and is never set by the upstream repository, Docker image, or docker-compose which...