5.3
MEDIUM CVSS 3.1
CVE-2026-65829
MPXJ: Potential Path Traversal Vulnerability in Primavera P3 PRX and SureTrak STX readers
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.

INFO

Published Date :

Sept. 22, 2026, 8:17 p.m.

Last Modified :

Sept. 22, 2026, 8:17 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-65829 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Mpxj mpxj
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM [email protected]
Solution
Update MPXJ library to version 16.5.0 or later to fix arbitrary file write vulnerability.
  • Update MPXJ to version 16.5.0 or later.
  • Avoid processing untrusted Primavera P3 PRX or STX files.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-65829.

URL Resource
https://github.com/joniles/mpxj/commit/4347315afab1ef5a2907978a754fbc5b0ff58e6f
https://github.com/joniles/mpxj/releases/tag/v16.5.0
https://github.com/joniles/mpxj/security/advisories/GHSA-7952-gx68-cjqr
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-65829 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-65829 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-65829 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Sep. 22, 2026

    Action Type Old Value New Value
    Added 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.
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
    Added CWE CWE-22
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/65xxx/CVE-2026-65829.json">CVE-2026-65829</a>
    Added Reference https://github.com/joniles/mpxj/commit/4347315afab1ef5a2907978a754fbc5b0ff58e6f
    Added Reference https://github.com/joniles/mpxj/releases/tag/v16.5.0
    Added Reference https://github.com/joniles/mpxj/security/advisories/GHSA-7952-gx68-cjqr
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.