MPXJ has a Potential Path Traversal Vulnerability
Impact
The patch for the historical vulnerability CVE-2020-35460 in MPXJ is incomplete as there is still a possibility that a malicious path could be constructed which would not be picked up by the original fix and allow files to be written to arbitrary locations.
Patches
The issue is addressed in MPXJ version 13.5.1
Workarounds
Do not pass zip files to MPXJ.
References
N/A
Credits
Issue report and patch provided by yyjLF and sprinkle
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | net.sf.mpxj:mpxj | >= 8.3.5, < 13.5.1 | 13.5.1 |
| .NET (NuGet) | MPXJ.Net | >= 13.0.0, < 13.5.1 | 13.5.1 |
| .NET (NuGet) | net.sf.mpxj | >= 8.3.5, < 13.5.1 | 13.5.1 |
| .NET (NuGet) | net.sf.mpxj-for-csharp | >= 8.3.5, < 13.5.1 | 13.5.1 |
| .NET (NuGet) | net.sf.mpxj-for-vb | >= 8.3.5, < 13.5.1 | 13.5.1 |
| Python (PyPI) | mpxj | >= 8.3.5, < 13.5.1 | 13.5.1 |
References
- https://github.com/joniles/mpxj/security/advisories/GHSA-j945-c44v-97g6
- https://nvd.nist.gov/vuln/detail/CVE-2024-49771
- https://github.com/joniles/mpxj/commit/8002802890dfdc8bc74259f37e053e15b827eea0
- https://github.com/joniles/mpxj
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/mpxj/CVE-2024-49771.yml
- https://pypi.org/project/mpxj
- https://github.com/advisories/GHSA-j945-c44v-97g6
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N- Weakness (CWE)
CWE-22- Platform
- Java / Kotlin (Maven), .NET (NuGet), Python (PyPI)
- Package
net.sf.mpxj:mpxj, MPXJ.Net, net.sf.mpxj- Disclosed
- 28.10.2024
- Updated
- 11.10.2026 13:18
Sources and licenses
OSV / GitHub Advisory Database - GHSA-j945-c44v-97g6 - CC BY 4.0
OSV / GitHub Advisory Database - PYSEC-2026-1681 - PyPA Advisory Database; CC BY 4.0
Vulnerability history: net.sf.mpxj
All published vulnerabilities of this package (.NET (NuGet)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 4
- First → latest
- 11.2022 09.2026
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- High 1
- Medium 2
- Low 1
Disclosures per year
- 2022: 1
- 2023: 0
- 2024: 1
- 2025: 0
- 2026: 2
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MPXJ has a Potential Path Traversal Vulnerability this entry
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