[ GLSA 202601-05 ] Commons-BeanUtils: Arbitary Code Execution

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Gentoo Linux Security Advisory                           GLSA 202601-05
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                                           https://security.gentoo.org/
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 Severity: High
    Title: Commons-BeanUtils: Arbitary Code Execution
     Date: January 26, 2026
     Bugs: #960929
       ID: 202601-05

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Synopsis
========

A vulnerability has been discovered in Commons-BeanUtils, which can lead
to execution of arbitrary code.

Background
==========

Commons-beanutils provides easy-to-use wrappers around Reflection and
Introspection APIs

Affected packages
=================

Package                     Vulnerable    Unaffected
--------------------------  ------------  ------------
dev-java/commons-beanutils  < 1.11.0      >= 1.11.0

Description
===========

Multiple vulnerabilities have been discovered in Commons-BeanUtils.
Please review the CVE identifiers referenced below for details.

Impact
======

A special BeanIntrospector class was added in version 1.9.2. This can be
used to stop attackers from using the declared class property of Java
enum objects to get access to the classloader. However this protection
was not enabled by default. PropertyUtilsBean (and consequently
BeanUtilsBean) now disallows declared class level property access by
default.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Commons-BeanUtils users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=dev-java/commons-beanutils-1.11.0"

References
==========

[ 1 ] CVE-2025-48734
      https://nvd.nist.gov/vuln/detail/CVE-2025-48734

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

 https://security.gentoo.org/glsa/202601-05

Concerns?
=========

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
[email protected] or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
=======

Copyright 2026 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5
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