Path Traversal in Joniles Mpxj
CVE-2026-65829
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.
Vulnerability class: Path Traversal (Directory Traversal)
Published .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Joniles Mpxj — versions >= 7.3.0, < 16.5.0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-65829?
- CVE-2026-65829 is a medium-severity vulnerability in Joniles Mpxj, classified under Path Traversal. CVSS score: 5.3/10. Published 2026-09-22.
- How severe is CVE-2026-65829?
- Medium severity. CVSS v3 base score is 5.3 out of 10.