GHSA-7952-gx68-cjqr: Path Traversal

Published Sep 22, 2026
·
Updated

Impact When reading a suitably crafted PRX or STX file, MPXJ can be made to write files to arbitrary locations in the file system.

Patches This issue is addressed in MPXJ version 16.5.0.

Workarounds Do not read PRX or STX files from untrusted sources.

Affected Software

7 affected componentsFixes available
maven/net.sf.mpxj:mpxj>=7.3.0<16.5.0
16.5.0
nuget/net.sf.mpxj-for-vb>=7.3.0<16.5.0
16.5.0
nuget/net.sf.mpxj-for-csharp>=7.3.0<16.5.0
16.5.0
nuget/net.sf.mpxj>=7.3.0<16.5.0
16.5.0
pip/mpxj>=7.3.0<16.5.0
16.5.0
rubygems/mpxj>=7.3.0<16.5.0
16.5.0
nuget/MPXJ.Net>=7.3.0<16.5.0
16.5.0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade maven/net.sf.mpxj:mpxj to a version that resolves this vulnerability.

    Fixed in 16.5.0
  2. Upgrade

    Upgrade nuget/net.sf.mpxj-for-vb to a version that resolves this vulnerability.

    Fixed in 16.5.0
  3. Upgrade

    Upgrade nuget/net.sf.mpxj-for-csharp to a version that resolves this vulnerability.

    Fixed in 16.5.0
  4. Upgrade

    Upgrade nuget/net.sf.mpxj to a version that resolves this vulnerability.

    Fixed in 16.5.0
  5. Upgrade

    Upgrade pip/mpxj to a version that resolves this vulnerability.

    Fixed in 16.5.0
  6. Upgrade

    Upgrade rubygems/mpxj to a version that resolves this vulnerability.

    Fixed in 16.5.0
  7. Upgrade

    Upgrade nuget/MPXJ.Net to a version that resolves this vulnerability.

    Fixed in 16.5.0
  8. Upgrade

    Upgrade MPXJ to a version that resolves this vulnerability.

    Fixed in 16.5.0
  9. Compensating control

    Do not read PRX or STX files from untrusted sources.

Event History

Sep 22, 2026
Advisory Published
via GitHub·08:34 PM
Data Sourced
via GitHub·08:34 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

Which applications are exposed to this issue?

Applications using MPXJ that read PRX or STX files are exposed if they may process attacker-controlled files. The affected package listings include Maven, NuGet, PyPI, and RubyGems distributions of MPXJ.

2

What does an attacker need to exploit the vulnerability?

An attacker needs to cause the application to read a suitably crafted PRX or STX file. No authentication or user interaction is indicated by the supplied vector.

3

What can be done if upgrading is not immediately possible?

Do not read PRX or STX files from untrusted sources. Restrict ingestion to files from trusted, controlled origins until MPXJ can be updated.

4

What version contains the fix?

The issue is addressed in MPXJ version 16.5.0.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203