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Affected Component
Analysis
python3
Exploitable
Name
CVE-2026-4786
Description
Mitgation of CVE-2026-4519 was incomplete. If the URL contained "%action" the mitigation could be bypassed for certain browser types the "webbrowser.open()" API could have commands injected into the underlying shell. See CVE-2026-4519 for details.
Published Date
Updated Date
Workaround
-
Advisories
Analysis#
Vulnerability Ratings#
7
CVSSv4
7.1
CVSSv31
NaN
other
Others affected components#
Resolved with patches#
python3 (yocto:scarthgap)
#
Title
Author
Resolve
1
[3.11] gh-148169: Fix webbrowser `%action` substitution
Stan Ulbrych <stan@python.org>
CVE-2026-4519
CVE-2026-4786