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python: Python: Command-line option injection in webbrowser.open() via crafted URLs

🗓️ 23 Apr 2026 15:03:53Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 4 Views

Python webbrowser.open() does not sanitize input; crafted URLs with leading dashes may be treated as options, risking code execution.

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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux6s390xpython0:2.6.6-70.el6_10.3python-0:2.6.6-70.el6_10.3.s390x.rpm
Red Hat Enterprise Linux6x86_64python0:2.6.6-70.el6_10.3python-0:2.6.6-70.el6_10.3.x86_64.rpm
Red Hat Enterprise Linux6anypython0:2.6.6-70.el6_10.3.i686python-0:2.6.6-70.el6_10.3.i686.noarch.rpm
Red Hat Enterprise Linux6s390python-debuginfo0:2.6.6-70.el6_10.3python-debuginfo-0:2.6.6-70.el6_10.3.s390.rpm
Red Hat Enterprise Linux6s390xpython-debuginfo0:2.6.6-70.el6_10.3python-debuginfo-0:2.6.6-70.el6_10.3.s390x.rpm
Red Hat Enterprise Linux6x86_64python-debuginfo0:2.6.6-70.el6_10.3python-debuginfo-0:2.6.6-70.el6_10.3.x86_64.rpm
Red Hat Enterprise Linux6anypython-debuginfo0:2.6.6-70.el6_10.3.i686python-debuginfo-0:2.6.6-70.el6_10.3.i686.noarch.rpm
Red Hat Enterprise Linux6s390python-devel0:2.6.6-70.el6_10.3python-devel-0:2.6.6-70.el6_10.3.s390.rpm
Red Hat Enterprise Linux6s390xpython-devel0:2.6.6-70.el6_10.3python-devel-0:2.6.6-70.el6_10.3.s390x.rpm
Red Hat Enterprise Linux6x86_64python-devel0:2.6.6-70.el6_10.3python-devel-0:2.6.6-70.el6_10.3.x86_64.rpm
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27 May 2026 07:48Current
6Medium risk
Vulners AI Score6
CVSS 3.13.3
CVSS 47
EPSS0.00015
SSVC
CWE-88
Pythonweb browsercommand line optionsleading dashesmalicious urlremote attackerinformation disclosurecode executionunix
4