CVE-2026-105314: Papermerge

High severity, CVSS 7.5. EPSS: 0.9% chance of exploitation in the next 30 days.

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.

Affected products

• Papermerge Papermerge: version 3.5.3 only

Published 2026-10-05. Last modified 2026-10-06.