CVE-2026-3517: high-severity vulnerability in Progress Software LoadMaster
OS Command Injection Remote Code Execution Vulnerability in Progress LoadMaster, ECS Connection Manager, Object Scale Connection Manager & MOVEit WAF
Published · Updated
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26Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.4epss 15%
OS Command Injection Remote Code Execution Vulnerability in API in Progress ADC Products allows an authenticated attacker with “Geo Administration” permissions to execute arbitrary commands on the LoadMaster appliance by exploiting unsanitized input in the 'addcountry' command
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Affected products
Progress Software · ECS Connections ManagerProgress Software · LoadMasterProgress Software · MOVEit WAFProgress Software · Object Scale Connection ManagerRelated 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%