What is the CVSS score of CVE-2026-22601?

CVE-2026-22601 has a CVSS 3.1 base score of 7.2 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.1%.

Which versions of Openproject are affected by CVE-2026-22601?

Organizations using OpenProject face moderate risk from CVE-2026-22601, a command injection vulnerability rated CVSS 7.2.

How to fix or mitigate CVE-2026-22601?

Within 7 days: Identify all affected systems and apply vendor patches promptly. Validate that input sanitization is in place for all user-controlled parameters.

Openproject CVE-2026-22601

HIGH

Command Injection (CWE-77)

2026-01-10 security-advisories@github.com

Command Injection RCE Openproject

7.2

CVSS 3.1 · GitHub Advisory

Severity by source

GitHub Advisory PRIMARY

7.2 HIGH

AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

CVE Published

Jan 10, 2026 - 02:15 nvd

HIGH 7.2

DescriptionGitHub Advisory

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.

AnalysisAI

Arbitrary command execution in OpenProject versions 16.6.1 and below allows authenticated administrators to execute system commands by manipulating the sendmail binary path configuration and triggering a test email function. An admin-level attacker can leverage this to achieve full system compromise with high impact on confidentiality, integrity, and availability. No patch is currently available, and exploitation requires high privileges but no user interaction.

Technical ContextAI

Classified as CWE-77 (Command Injection). Affects Openproject. 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.