CVE-2026-3519: OS Command Injection Remote Code Execution Vulnerability in Progress LoadMaster, ECS Connection Manager, Object Scale Connection Manager & MOVEit WAF

Published Apr 20, 2026
·
Updated

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

Affected Software

8 affected components
Progress LoadMaster
Progress ECS Connection Manager
Progress Object Scale Connection Manager
Progress Moveit Waf
Progress Connection Manager For Objectscale<7.2.63.1
Progress ECS Connection Manager<7.2.63.1
Progress LoadMaster<7.2.54.17
Progress LoadMaster<7.2.63.1

Event History

Apr 20, 2026
CVE Published
via MITRE·01:32 PM
Data Sourced
via MITRE·01:32 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·02:16 PM
RemedyDescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2026-3519?

CVE-2026-3519 is considered a high-severity vulnerability due to its potential for remote code execution.

2

How do I fix CVE-2026-3519?

To fix CVE-2026-3519, update your Progress ADC products to the latest version that addresses this vulnerability.

3

What types of products are affected by CVE-2026-3519?

CVE-2026-3519 affects Progress LoadMaster, ECS Connection Manager, Object Scale Connection Manager, and MOVEit WAF.

4

Who can exploit CVE-2026-3519?

An authenticated attacker with 'VS Administration' permissions can exploit CVE-2026-3519.

5

What are the implications of exploiting CVE-2026-3519?

Exploiting CVE-2026-3519 could allow an attacker to execute arbitrary commands on the affected system.

Contact

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