Command Execution Vulnerability in OpenProject by OpenProject Community
CVE-2026-22601

8.6HIGH

Key Information:

Vendor

Opf

Status
Openproject
Vendor
CVE Published:
10 January 2026

What is CVE-2026-22601?

In OpenProject versions 16.6.1 and earlier, a registered administrator can exploit a misconfiguration in the sendmail binary path to execute arbitrary commands by sending a test email. This security flaw poses a significant risk, allowing unauthorized actions within the project management system. Users are advised to upgrade to version 16.6.2, where the issue has been resolved.

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Affected Version(s)

openproject < 16.6.2

References

https://github.com/opf/openproject/security/advisories/GH...
x_refsource_CONFIRM
https://github.com/opf/openproject/releases/tag/v16.6.2
x_refsource_MISC

CVSS V4

Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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