CVE-2026-105314

EUVD-2026-92275
Papermerge 3.5.3 allows remote code execution by a standard user via directory traversal in a /api/documents/upload call. A Python .pth file can be written to site-packages, and its code is executed upon the next start of the Python interpreter.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
mitreCNA
7.5 HIGH
NETWORK
HIGH
LOW
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 58.26%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
papermergepapermerge
3.5.3
CNA
Common Weakness Enumeration
References
https://github.com/kashishtopi/cve-pocs/blob/main/papermerge-core-arbitrary-file-write-rce/HR-papermerge-core-path-traversal-rce.pdf
https://github.com/kashishtopi/cve-pocs/tree/main/papermerge-core-arbitrary-file-write-rce
https://github.com/papermerge/papermerge-core/blob/master/papermerge/core/features/document/router.py
https://github.com/papermerge/papermerge-core/blob/master/papermerge/core/pathlib.py