CVE-2026-45554 NiceGUI: Unauthenticated log-flood DoS via trailing slash on ESM and per-component resource routes

NiceGUI is a Python-based UI framework. Prior to version 3.12.0, two FastAPI routes that serve per-component static assets in NiceGUI accept a sub-path parameter that may resolve to a directory rather than a file. Requests that resolve to a directory raise an unhandled RuntimeError inside...

PT-2026-41779

Name of the Vulnerable Software and Affected Versions NiceGUI versions prior to 3.12.0 Description Two FastAPI routes used for serving per-component static assets accept a sub-path parameter that can resolve to a directory instead of a file. When a request resolves to a directory, it triggers an...