CVE-2026-65829
Medium
Description
MPXJ is an open source library to read and write project plans from a variety of file formats and databases. From 7.3.0 until 16.5.0, reading a suitably crafted Primavera P3 PRX or SureTrak STX file can cause MPXJ to write files to arbitrary locations in the filesystem. This issue is fixed in version 16.5.0.
SeverityMedium
CVSS5.3
Exploit probability—
ProductMpxj
PublishedSep 22, 2026
First seenSep 22, 2026
Weakness typeCWE-22Path traversal
How to fix
Update
- mpxj16.5.0 or later
- MPXJ.Net16.5.0 or later
- net.sf.mpxj16.5.0 or later
- net.sf.mpxj-for-csharp16.5.0 or later
- net.sf.mpxj-for-vb16.5.0 or later
- net.sf.mpxj:mpxj16.5.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mpxjRubyGems | 7.3.0 ≤ v < 16.5.0 | 16.5.0 |
| MPXJ.NetNuGet | 7.3.0 ≤ v < 16.5.0 | 16.5.0 |
| net.sf.mpxjNuGet | 7.3.0 ≤ v < 16.5.0 | 16.5.0 |
| net.sf.mpxj-for-csharpNuGet | 7.3.0 ≤ v < 16.5.0 | 16.5.0 |
| net.sf.mpxj-for-vbNuGet | 7.3.0 ≤ v < 16.5.0 | 16.5.0 |
| net.sf.mpxj:mpxjMaven | 7.3.0 ≤ v < 16.5.0 | 16.5.0 |
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