Semaphore 5.8.5

Semaphore 5.8.5 is a minor bug and vulnerability fix update to the software and an update to the Semaphore 5.8.4 release.

Refer to semaphore-v5.8.5-25.aug.2025.pdf for the bill of materials.

Installation Prerequisites

Prior to installing or upgrading to this version of Semaphore please be sure to review the Third-party software requirements (Linux) or Third-party software requirements (Windows) information as well as the general Plan your Semaphore Installation (Linux) or Plan your Semaphore Installation (Windows) information for installation server requirements.

External Vulnerability Issues Resolved

All vulnerabilities at the medium, high or critical CVSS 3.0 level have been removed. (There were no criticals.)

Model Management

Issues Resolved

• 25130 - Unable to view KMM home page if a user has edited a task to which they currently have no model access
• 25677 - Publisher now reports which CS instance has failed
• 25678 - Sorting out of issues for users with a + character in the username