CVE-2026-59686highCWE-78

CVE-2026-59686: high-severity vulnerability in Progress Software LoadMaster

Progress LoadMaster, ECS Connection Manager, Object Scale Connection Manager, and MOVEit WAF OS Command Injection via Management Interface

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21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 8.4epss 1.7%
An OS Command Injection vulnerability in Progress Software LoadMaster, ECS Connection Manager, Object Scale Connection Manager, and MOVEit WAF allows an authenticated attacker with high privileges to execute arbitrary operating system commands on the affected appliance via the management interface, potentially resulting in complete system compromise.
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Affected products
Progress Software · ECS Connection ManagerProgress Software · LoadMasterProgress Software · MOVEit WAFProgress Software · Object Scale Connection Manager
Related CVEs — Progress Software LoadMaster

In the same product, most dangerous first.

CVE-2026-8037CRITICALOS Command Injection Remote Code Execution Vulnerability in Progress LoadMaster, ECS Connection Manager, Object Scale Connection Manager & MOVEit WAFEPSS 99.8%KEVCVE-2024-1212CRITICALLoadMaster Pre-Authenticated OS Command InjectionEPSS 95.4%KEVCVE-2024-2448HIGHLoadMaster Command Injection VulnerabilityEPSS 55.4%CVE-2025-13447HIGHOS Command Injection Remote Code Execution Vulnerability in Progress LoadMasterEPSS 27.2%CVE-2025-13444HIGHOS Command Injection Remote Code Execution Vulnerability in Progress LoadMasterEPSS 27.2%CVE-2026-3518HIGHOS Command Injection Remote Code Execution Vulnerability in Progress LoadMaster, ECS Connection Manager, Object Scale Connection Manager & MOVEit WAFEPSS 16.9%