CVE-2026-40040: Pachno

High severity, CVSS 8.8. EPSS: 0.8% chance of exploitation in the next 30 days.

Pachno 1.0.6 contains an unrestricted file upload vulnerability that allows authenticated users to upload arbitrary file types by bypassing ineffective extension filtering to the /uploadfile endpoint. Attackers can upload executable files .php5 scripts to web-accessible directories and execute them to achieve remote code execution on the server.

Affected products

• Pachno Pachno: version 1.0.6 only

Published 2026-04-13. Last modified 2026-06-17.