CVE-2026-59688 PUBLISHED

Progress LoadMaster, ECS Connection Manager, Object Scale Connection Manager, and MOVEit WAF OS Command Injection via Backup Restore Functionality

Assigner: ProgressSoftware
Reserved: 06.07.2026 Published: 27.07.2026 Updated: 27.07.2026

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 backup restore functionality, potentially resulting in complete system compromise.

Metrics

CVSS 3.1

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

Attack Vector	Adjacent Network	Scope	Changed
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	High	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	Progress Software
Product	LoadMaster
Versions	Default: unaffected affected from 7.2.40.0 to 7.2.63.3 (excl.) affected from 7.2.40.0 to 7.2.54.19 (excl.)

Vendor	Progress Software
Product	ECS Connection Manager
Versions	Default: unaffected affected from 7.2.60.0 to 7.2.63.3 (excl.)

Vendor	Progress Software
Product	Object Scale Connection Manager
Versions	Default: unaffected affected from 7.2.60.0 to 7.2.63.3 (excl.)

Vendor	Progress Software
Product	MOVEit WAF
Versions	Default: unaffected affected from 7.2.60.0 to 7.2.63.3 (excl.)

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-2026-59690

Problem Types

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

Impacts

CAPEC-23: File Content Injection