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
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of ZDI-26-055?

The severity of ZDI-26-055 is critical due to its potential for remote code execution.

2

How do I fix ZDI-26-055?

To fix ZDI-26-055, update your Progress Software Kemp LoadMaster to the latest patched version provided by the vendor.

3

Who is affected by ZDI-26-055?

ZDI-26-055 affects installations of Progress Software Kemp LoadMaster that require authentication to exploit.

4

What type of vulnerability is ZDI-26-055?

ZDI-26-055 is a command injection vulnerability that allows for remote code execution.

5

Is authentication required to exploit ZDI-26-055?

Yes, authentication is required to exploit the ZDI-26-055 vulnerability.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203