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

A flaw was found in Python. The webbrowser.open API, used to launch web browsers, does not properly sanitize input. This allows a remote attacker to craft a malicious URL containing leading dashes. When such a URL is opened, certain web browsers may interpret these dashes as command-line options,...

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

A flaw was found in Python. The webbrowser.open API, used to launch web browsers, does not properly sanitize input. This allows a remote attacker to craft a malicious URL containing leading dashes. When such a URL is opened, certain web browsers may interpret these dashes as command-line options,...

Security update for python311

This update for python311 fixes the following issues: CVE-2025-13462: incorrect parsing of TarInfo header when GNU long name and type AREGTYPE are combined bsc1259611. CVE-2026-3479: python: improper resource argument validation can allow path traversal bsc1259989. CVE-2026-3644: incomplete contr...

RHEL 9 : python3.9 (RHSA-2026:9262)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:9262 advisory. Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic dat...

SUSE SLES12 Security Update : python3 (SUSE-SU-2026:1385-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1385-1 advisory. - CVE-2025-13462: incorrect parsing of TarInfo header when GNU long name and type AREGTYPE are combined bsc1259611. - CVE-2026-3479: improper...

SUSE SLED15 / SLES15 Security Update : python313 (SUSE-SU-2026:1354-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1354-1 advisory. - Update to v3.13.13 - CVE-2025-13462: incorrect parsing of TarInfo header when GNU long name and type AREGTYP...

Security update for python313

This update for python313 fixes the following issues: Update to v3.13.13 CVE-2025-13462: incorrect parsing of TarInfo header when GNU long name and type AREGTYPE are combined bsc1259611. CVE-2026-2297: cpython: incorrectly handled hook in FileLoader can lead to validation bypass bsc1259240...

SUSE-SU-2026:1354-1 Security update for python313

This update for python313 fixes the following issues: - Update to v3.13.13 - CVE-2025-13462: incorrect parsing of TarInfo header when GNU long name and type AREGTYPE are combined bsc1259611. - CVE-2026-2297: cpython: incorrectly handled hook in FileLoader can lead to validation bypass bsc1259240....

SUSE-SU-2026:1345-1 Security update for python36

This update for python36 fixes the following issues: - CVE-2025-13462: incorrect parsing of TarInfo header when GNU long name and type AREGTYPE are combined bsc1259611. - CVE-2026-3479: python: improper resource argument validation can allow path traversal bsc1259989. - CVE-2026-3644: incomplete...

SUSE SLES15 / openSUSE 15 Security Update : python39 (SUSE-SU-2026:1296-1)

The remote SUSE Linux SLES15 / SLESSAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1296-1 advisory. - CVE-2025-13462: incorrect parsing of TarInfo when GNU long name and type AREGTYPE are combined can lead to...

CVE-2026-4786 Incomplete mitigation of CVE-2026-4519, %action expansion for command injection to webbrowser.open()

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...

CVE-2026-4786

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...

SUSE-SU-2026:21104-1 Security update for python313

This update for python313 fixes the following issues: Update to version 3.13.13. - CVE-2025-13462: incorrect parsing of TarInfo when GNU long name and type AREGTYPE are combined can lead to misinterpretation of tar archives bsc1259611. - CVE-2026-2297: incorrectly handled hook in FileLoader can...

Important: python3.11

Issue Overview: 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. CVE-2026-4519 Affected Packages:...

Important: Red Hat Security Advisory: python3.11 security update

An update for python3.11 is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability fro...

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

A flaw was found in Python. The webbrowser.open API, used to launch web browsers, does not properly sanitize input. This allows a remote attacker to craft a malicious URL containing leading dashes. When such a URL is opened, certain web browsers may interpret these dashes as command-line options,...

webbrowser.open() allows leading dashes in URLs

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SUSE CVE-2026-4519

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...

CVE-2026-4519

A flaw was found in Python. The webbrowser.open API, used to launch web browsers, does not properly sanitize input. This allows a remote attacker to craft a malicious URL containing leading dashes. When such a URL is opened, certain web browsers may interpret these dashes as command-line options,...

EUVD-2026-13712

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...