Semaphore 5.8.8

Semaphore 5.8.8 is a minor bug and vulnerability fix update to the software and an update to the Semaphore 5.8.7 release.

Refer to semaphore-v5.8.8-27.may.2026.txt 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 high or critical CVSS 3.0 level have been removed. (There were no criticals.) Any remaining medium-severity vulnerabilities are tracked within their SLA.

Model Management

Issues Resolved

• 27950 - Reviewed and remediated medium-severity Polaris static analysis findings across the backend projects

Visualization App

Issues Resolved

• 31208 - Added page-number pagination to the tree viewer so large flat concept lists (such as the 'People' concept scheme) are no longer silently truncated by the SES default row limit
• 31209 - Fixed pagination producing blank pages and resolved Network Graph crowding and cut-off issues
• 31543 - Fixed pagination arrow buttons becoming unresponsive and the graph overlapping the concept class legend

Others

List of fixed vulnerabilities