CVE-2022-39019: M-Files Hubshare

High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days.

Broken access controls on PDFtron WebviewerUI in M-Files Hubshare before 3.3.11.3 allows unauthenticated attackers to upload malicious files to the application server.

Affected products

• M-Files Hubshare: before 3.3.11.3 (fixed in 3.3.11.3)

Published 2022-10-31. Last modified 2026-06-17.