CVE-2026-22601 Details
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.
A vulnerability allowing arbitrary command execution has been identified in OpenProject versions through 16.6.1. This issue arises when a registered administrator configures the sendmail binary path in the email notification settings. The entered path, along with the source and destination email addresses, is executed in a Linux shell when a test email is sent. This exploitation could lead to the execution of arbitrary Linux commands on the server.
Users can update to OpenProject version 16.6.2 or 17.0.0, where this vulnerability has been patched. Alternatively, the sendmail executable setting can be configured through the environment variable 'OPENPROJECT_SENDMAIL__LOCATION' to make the setting read-only and prevent modifications.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jan 12, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/opf/openproject/releases/tag/v16.6.2 | [email protected] | Release Notes |
| https://github.com/opf/openproject/security/advisories/GHSA-9vrv-7h26-c7jc | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-77 | Improper Neutralization of Special Elements used in a Command ('Command Injection') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| openproject openproject | < 16.6.2 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jan 14, 2026 | Initial Analysis | [email protected] |
| Jan 10, 2026 | New CVE Received | [email protected] |