OESA-2026-2815 python-urllib3 security update

HTTP library with thread-safe connection pooling, file post support, sanity friendly, and more. Security Fixes: urllib3 version 2.6.3 is vulnerable to a decompression bomb bypass in its streaming API preloadcontent=False when using Brotli support. The issue arises due to three independent code...

NiceGUI's unvalidated chunk size parameter in media routes can cause memory exhaustion

Summary NiceGUI's app.addmediafile and app.addmediafiles media routes accept a user-controlled query parameter that influences how files are read during streaming. The parameter is passed to the range-response implementation without validation, allowing an attacker to bypass chunked streaming and...

PT-2026-26484

Name of the Vulnerable Software and Affected Versions NiceGUI versions prior to 3.9.0 Description NiceGUI’s app.add media file and app.add media files functions are susceptible to a flaw where a user-controlled query parameter, passed to the range-response implementation without validation, can...

Important: python3.12-urllib3 security update

Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems. Security Fixes:...