CVE-2026-22601

OpenProject is Vulnerable to Code Execution in E-Mail function

High8.6EPSS 0.38%

Published: 10 Jan 2026
Updated: 12 Jan 2026
Reserved: 7 Jan 2026
Assigned by: GitHub_M

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.

Scores

CVSS scores of CVE-2026-22601, by who scored it
Scored by	CVSS	Score	Vector
GitHub_MCNA (assigner)	4.0	High8.6	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
NVDNVD · Analyzed	4.0	High8.6	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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS (exploitation in 30 days): 0.38% · top 68% of all CVEs (6 Nov 2026)
CISA SSVC: Exploitation: none · Automatable: yes · Technical impact: total

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.6.

Weakness

CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection') (opens in a new tab)All about CWE-77 and its CVEs

Affected products

opf · openproject
- affected < 16.6.2

References (2)

https://github.com/opf/openproject/security/advisories/GHSA-9vrv-7h26-c7jc (opens in a new tab)x_refsource_CONFIRM
https://github.com/opf/openproject/releases/tag/v16.6.2 (opens in a new tab)x_refsource_MISC

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

[![CVE-2026-22601](https://trackcve.app/badge/CVE-2026-22601.svg)](https://trackcve.app/cve/CVE-2026-22601)

Record last updated 12 Jan 2026, 19:16 UTC.