PYSEC-2026-1681

See a problem?
Import Source
https://github.com/pypa/advisory-database/blob/main/vulns/mpxj/PYSEC-2026-1681.yaml
JSON Data
https://api.osv.dev/v1/vulns/PYSEC-2026-1681
Aliases
Published
2026-07-07T14:34:43.523396Z
Modified
2026-07-07T17:47:17.650298371Z
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
  • 5.3 (Medium) CVSS_V4 - CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N CVSS Calculator
Summary
MPXJ has a Potential Path Traversal Vulnerability
Details

Impact

The patch for the historical vulnerability CVE-2020-35460 in MPXJ is incomplete as there is still a possibility that a malicious path could be constructed which would not be picked up by the original fix and allow files to be written to arbitrary locations.

Patches

The issue is addressed in MPXJ version 13.5.1

Workarounds

Do not pass zip files to MPXJ.

References

N/A

Credits

Issue report and patch provided by yyjLF and sprinkle

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
8.3.5
Fixed
13.5.1

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

Database specific

source 
"https://github.com/pypa/advisory-database/blob/main/vulns/mpxj/PYSEC-2026-1681.yaml"