CVE-2026-59686

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

State: Published
Severity: 8.4 High
Published: Jul 27, 2026
Updated: Jul 28, 2026
Reserved: Jul 6, 2026

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Description

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.

Scores

CVSS	Score	Vector	Source
3.1	8.4 High	CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H	ProgressSoftware

Weaknesses

CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Affected Products

Product	Versions
LoadMasterProgress Software	All Previous Versions to before 7.2.63.3Affected All Previous Versions to before 7.2.54.19Affected
ECS Connection ManagerProgress Software	7.2.60.0 to before 7.2.63.3Affected
Object Scale Connection ManagerProgress Software	7.2.60.0 to before 7.2.63.3Affected
MOVEit WAFProgress Software	7.2.60.0 to before 7.2.63.3Affected

References

https://community.progress.com/s/article/LoadMaster-Critical-Security-Bulletin-July-2026-CVE-2026-59686-CVE-2026-59687-CVE-2026-59688-CVE-2026-59689-CVE-2026-59690vendor-advisory

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