CVE-2023-31046: PaperCut MF

Medium severity, CVSS 6.5. EPSS: 1.5% chance of exploitation in the next 30 days.

A Path Traversal vulnerability exists in PaperCut NG before 22.1.1 and PaperCut MF before 22.1.1. Under specific conditions, this could potentially allow an authenticated attacker to achieve read-only access to the server's filesystem, because requests beginning with "GET /ui/static/..//.." reach getStaticContent in UIContentResource.class in the static-content-files servlet.

Affected products

• PaperCut PaperCut MF: before 22.1.1 (fixed in 22.1.1)
• PaperCut PaperCut NG: before 22.1.1 (fixed in 22.1.1)

Published 2023-10-19. Last modified 2026-06-17.