PYSEC-2026-4108

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Import Source
https://github.com/pypa/advisory-database/blob/main/vulns/mpxj/PYSEC-2026-4108.yaml
JSON Data
https://api.osv.dev/v1/vulns/PYSEC-2026-4108
Aliases
Published
2026-10-01T16:38:34Z
Modified
2026-10-01T17:45:10Z
Severity
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N CVSS Calculator
Summary
MPXJ: Potential Path Traversal Vulnerability in Primavera P3 PRX and SureTrak STX readers
Details

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.

References

Affected packages

PyPI / mpxj

Package

Name
mpxj
View open source insights on deps.dev
Purl
pkg:pypi/mpxj

Affected ranges

Type
ECOSYSTEM
Events
Introduced
7.3.0
Fixed
16.5.0

Affected versions

9.*
9.0.0
9.1.0
9.2.0
9.2.1
9.2.2
9.2.3
9.2.4
9.2.5
9.2.6
9.3.0
9.3.1
9.4.0
9.5.0
9.5.1
9.5.2
9.6.0
9.7.0
9.8.0
9.8.1
9.8.2
9.8.3
10.*
10.0.0
10.0.1
10.0.2
10.0.3
10.0.4
10.0.5
10.1.0
10.2.0
10.3.0
10.4.0
10.5.0
10.6.0
10.6.1
10.6.2
10.7.0
10.8.0
10.9.0
10.9.1
10.10.0
10.11.0
10.12.0
10.13.0
10.14.0
10.14.1
10.15.0
10.16.0
10.16.1
10.16.2
11.*
11.0.0
11.1.0
11.2.0
11.3.0
11.3.1
11.3.2
11.4.0
11.5.0
11.5.1
11.5.2
11.5.3
11.5.4
12.*
12.0.0
12.0.1
12.0.2
12.1.1
12.1.2
12.1.3
12.2.0
12.3.0
12.4.0
12.5.0
12.6.0
12.7.0
12.8.0
12.8.1
12.9.0
12.9.1
12.9.2
12.9.3
12.10.0
12.10.1
12.10.2
12.10.3
13.*
13.0.0
13.0.1
13.0.2
13.1.0
13.2.0
13.2.1
13.3.0
13.3.1
13.4.0
13.4.1
13.4.2
13.5.0
13.5.1
13.6.0
13.7.0
13.8.0
13.9.0
13.10.0
13.11.0
13.12.0
14.*
14.0.0
14.1.0
14.2.0
14.3.0
14.3.1
14.3.2
14.3.3
14.3.4
14.3.5
14.4.0
14.5.0
14.5.1
14.5.2
15.*
15.0.0
15.1.0
15.2.0
15.3.0
15.3.1
16.*
16.0.0
16.1.0
16.2.0
16.3.0
16.4.0
16.4.1

Database specific

source 
"https://github.com/pypa/advisory-database/blob/main/vulns/mpxj/PYSEC-2026-4108.yaml"