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…

PriorityP351high7.2CVSS 3.1

AVNACLPRHUINSUCHIHAH

EPSS

0.33%

24.2th percentile

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.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
openproject	openproject	< 16.6.2	16.6.2
opf	openproject	< 16.6.2	16.6.2

CVSS provenance

nvdv3.17.2HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

nvdv4.08.6HIGHCVSS: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

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