What is CVE-2026-22601?

CVE-2026-22601 is a high-severity vulnerability in Openproject, classified under Command Injection. CVSS score: 7.2/10. Published 2026-01-10.

How severe is CVE-2026-22601?

High severity. CVSS v3 base score is 7.2 out of 10.

RCE in Openproject

CVE-2026-22601

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 iss…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.003 (24.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Openproject
Opf Openproject — versions < 16.6.2

Weakness classification (CWE)

CWE-77 — Command Injection

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
security-advisories@github.com (x_refsource_MISC, Release Notes)

Frequently asked questions

What is CVE-2026-22601?: CVE-2026-22601 is a high-severity vulnerability in Openproject, classified under Command Injection. CVSS score: 7.2/10. Published 2026-01-10.
How severe is CVE-2026-22601?: High severity. CVSS v3 base score is 7.2 out of 10.