CVE-2026-65829

mediumpriority · track · 0EPSS 0.004 · 37 %ileUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.43% (37th) EPSS

CVSS 5.3 · medium

Is it mine?

7 products

Check your exposure

Who says so?

1 sources

osv

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

5.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Nsecondary · security-advisories@github.comexploitability 3.9 · impact 1.4

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Nsecondary · OSV

v3.14.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-22USCWE-22US

affected products (7)

Products and version ranges known to be affected.

Maven net.sf.mpxj:mpxj7.3.0 → 16.5.0osvUSpkg:maven/net.sf.mpxj/mpxj
NuGet MPXJ.Net7.3.0 → 16.5.0osvUSpkg:nuget/MPXJ.Net
NuGet net.sf.mpxj7.3.0 → 16.5.0osvUSpkg:nuget/net.sf.mpxj
NuGet net.sf.mpxj-for-csharp7.3.0 → 16.5.0osvUSpkg:nuget/net.sf.mpxj-for-csharp
NuGet net.sf.mpxj-for-vb7.3.0 → 16.5.0osvUSpkg:nuget/net.sf.mpxj-for-vb
PyPI mpxj7.3.0 → 16.5.0osvUSpkg:pypi/mpxj
RubyGems mpxj7.3.0 → 16.5.0osvUSpkg:gem/mpxj

advisories (2)

Vendor and ecosystem advisories describing this.

GHSA-7952-gx68-cjqrMPXJ: Potential Path Traversal Vulnerability in Primavera P3 PRX and SureTrak STX readers2026-09-22ghsa · osvUS
### 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.
PYSEC-2026-4108MPXJ: Potential Path Traversal Vulnerability in Primavera P3 PRX and SureTrak STX readers2026-10-01vendor · osvUS
### 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.

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

osv NVD CVE.org MITRE

published 2026-09-22modified 2026-09-23

references (3) nvd

External citations — patches, advisories, analysis.

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