CVE-2026-22601 HIGH

CVE-2026-22601: OpenProject is Vulnerable to Code Execution in E-Mail function

Vendor Opf
Product openproject
Weakness CWE-77
Published January 10, 2026
Last update January 12, 2026

CVSS base score

8.6/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

January 10, 2026 CVE published
January 12, 2026 Record updated