CVE-2026-22601

High

Description

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.

SeverityHigh
CVSS7.2
Exploit probability—
ProductOpenproject
PublishedJan 10, 2026
First seenJan 10, 2026

How to fix

Update
  • openproject openproject16.6.2 or later

Affected products

ProductAffected versionsFixed in
openproject openprojectv < 16.6.216.6.2

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