CVE-2026-4519

Published: Mar 20, 2026 Last Modified: Mar 20, 2026
ExploitDB:
Other exploit source:
Google Dorks:
MEDIUM 5,7
Source: [email protected]
Attack Vector: local
Attack Complexity: high
Privileges Required: low
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A

Description

AI Translation Available

The webbrowser.open() API would accept leading dashes in the URL which
could be handled as command line options for certain web browsers. New
behavior rejects leading dashes. Users are recommended to sanitize URLs
prior to passing to webbrowser.open().

https://github.com/python/cpython/issues/143930
https://github.com/python/cpython/issues/143930
https://github.com/python/cpython/pull/143931
https://github.com/python/cpython/pull/143931
https://mail.python.org/archives/list/security-announce@pyt…
https://mail.python.org/archives/list/[email protected]/thread/AY5ND…