RHEL 8 : python3 (RHSA-2026:9386)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:9386 advisory. Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic dat...

RHEL 8 : python3 (RHSA-2026:9289)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:9289 advisory. Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic dat...

RHEL 9 : python3.9 (RHSA-2026:9354)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:9354 advisory. Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic dat...

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

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python: cpython: Python: Arbitrary code execution via command injection in webbrowser.open() API

A flaw was found in the Python webbrowser.open API. If a specially crafted URL containing "%action" is processed, an attacker could bypass a previous mitigation for CVE-2026-4519. This bypass allows for command injection into the underlying shell, potentially leading to arbitrary code execution...

openSUSE Security Advisory (SUSE-SU-2026:1292-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

SUSE 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...

EUVD-2026-22134

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...

ALPINE-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...

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...

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...

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...

PSF-2026-17

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...

Amazon Linux 2023 : python3.13, python3.13-devel, python3.13-freethreading (ALAS2023-2026-1555)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-1555 advisory. The webbrowser.open API would accept leading dashes in the URL whichcould be handled as command line options for certain web browsers. Newbehavior rejects leading dashes. Users are recommended to...

Amazon Linux 2023 : python3.11, python3.11-devel, python3.11-idle (ALAS2023-2026-1558)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-1558 advisory. The webbrowser.open API would accept leading dashes in the URL whichcould be handled as command line options for certain web browsers. Newbehavior rejects leading dashes. Users are recommended to...

Amazon Linux 2023 : python3.14, python3.14-devel, python3.14-freethreading (ALAS2023-2026-1556)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-1556 advisory. The webbrowser.open API would accept leading dashes in the URL whichcould be handled as command line options for certain web browsers. Newbehavior rejects leading dashes. Users are recommended to...

PT-2026-32545

Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description An incomplete mitigation allows for a bypass when a URL contains the string "%action". For certain browser types, this can lead to command injection into the...

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:...

CPython 安全漏洞

CPython is a Python interpreter implemented in C language by the Python Foundation. CPython has a security vulnerability, which stems from incomplete mitigation measures for CVE-2026-4519, potentially leading to command injection attacks...