Progress Software Kemp LoadMaster addcountry Command Injection Remote Code Execution Vulnerability
Vulnerability Details
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Progress Software Kemp LoadMaster. Authentication is required to exploit this vulnerability.
The specific flaw exists within handling of the customLocation parameter. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of the appliance.
Additional Details
Progress Software has issued an update to correct this vulnerability. More details can be found at:
https://docs.progress.com/bundle/release-notes_loadmaster-7-2-63-1/page/Security-Updates.html
Disclosure Timeline
- 2026-02-23 - Vulnerability reported to vendor
- 2026-05-21 - Coordinated public release of advisory
- 2026-05-21 - Advisory Updated
Credit
Michael Argany of TrendAI Research
