Vulnerability Intelligence Report
OS Command Injection Remote Code Execution Vulnerability in Progress LoadMaster, ECS Connection Manager, Object Scale Connection Manager & MOVEit WAF
CVE-2026-3519
OS Command Injection Remote Code Execution Vulnerability in API in Progress ADC Products allows an authenticated attacker with “VS Administration” permissions to execute arbitrary commands on the LoadMaster appliance by exploiting unsanitized input in the 'aclcontrol' command
No Active Exploit Signals
CVSS Base Score
8.4
HIGH
Exploitability:1.7
Impact Score:6.1
EPSS Probability:2.13%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-77 ↗CWE-77
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Progress Software | LoadMaster | V7.2.45.0 < V7.2.63.0 (affected) |
| Progress Software | ECS Connections Manager | V7.2.49.0 < V7.2.63.0 (affected) |
| Progress Software | Object Scale Connection Manager | V7.2.62.0 < V7.2.63.0 (affected) |
| Progress Software | MOVEit WAF | V7.2.62.0 < V7.2.63.0 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
2.134%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Progress Software Corporation · Vendor · USA |
| Reserved | 2026-03-04T15:10:17 |
| Published | 2026-04-20T13:32:50 |
| Last Updated | 2026-04-22T03:55:53 |
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