ZDI-CAN-27596: ZDI-26-055: Progress Software Kemp LoadMaster addapikey Command Injection Remote Code Execution Vulnerability

Published Feb 2, 2026

Updated

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Progress Software Kemp LoadMaster. Authentication is required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 6.4. The following CVEs are assigned: CVE-2025-13447.

Affected Software

1 affected component

Progress Software Kemp LoadMaster

Event History

Feb 2, 2026

Advisory Published

via ZDI·06:00 AM

Data Sourced

via ZDI·06:00 AM

Description

Frequently Asked Questions

What is the severity of ZDI-CAN-27596?

ZDI-CAN-27596 is considered a high severity vulnerability due to its potential for remote code execution.

How do I fix ZDI-CAN-27596?

To fix ZDI-CAN-27596, ensure you update your Progress Software Kemp LoadMaster to the latest patched version provided by the vendor.

What type of attack does ZDI-CAN-27596 enable?

ZDI-CAN-27596 enables network-adjacent attackers to execute arbitrary code on affected installations of Kemp LoadMaster.

Is authentication required to exploit ZDI-CAN-27596?

Yes, authentication is required to exploit the ZDI-CAN-27596 vulnerability.

What products are affected by ZDI-CAN-27596?

The affected product for ZDI-CAN-27596 is Progress Software Kemp LoadMaster.