CVE-2026-22601 PUBLISHED

OpenProject is Vulnerable to Code Execution in E-Mail function

Assigner: GitHub_M
Reserved: 07.01.2026 Published: 10.01.2026 Updated: 12.01.2026

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.

Metrics

CVSS 4.0

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
CVSS Score: 8.6

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	High
User Interaction	None

CVSS 4.0

Product Status

Vendor	opf
Product	openproject
Versions	Version < 16.6.2 is affected

References

Problem Types

CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection') CWE