high-severity security flaw has been disclosed in the Python URL parsing function that could be exploited to bypass domain or protocol filtering methods implemented with a blocklist, ultimately resulting in arbitrary file reads and command execution.

#CoSoSec

"urlparse has a parsing problem when the entire URL starts with blank characters," the CERT Coordination Center (CERT/CC) said in a Friday advisory.

https://thehackernews.com/2023/08/new-python-url-parsing-flaw-enables.html