CVE-2026-22601: Openproject

High severity, CVSS 7.2. EPSS: 0.4% chance of exploitation in the next 30 days.

OpenProject is an open-source, web-based project management software. For OpenProject version 16.6.1 and below, a registered administrator can execute arbitrary command by configuring sendmail binary path and sending a test email. This issue has been patched in version 16.6.2.

Affected products

• Openproject Openproject: before 16.6.2 (fixed in 16.6.2)

Published 2026-01-10. Last modified 2026-06-17.