CVE-2026-4519EPSS p23.3%

CVE-2026-4519CVE-2026-4519

python / python

Description

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().

Scoring

CVSS 3.3 ()
VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
EPSS0.31% probability of exploitation · percentile 23.3% · 2026-08-13T12:03:51Z
Last modified2026-08-13
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.