Review reviewHigh

CVE-2026-59686

Progress Software LoadMaster, ECS Connection Manager, Object Scale Connection Manager

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.

CVSS: 8.4
EPSS: -
CISA KEV: Not listed
Published: 2026.07.27

PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV

Exploit probability-

Technical severityCVSS 8.4

Vulnerability overview

Affected product and versions

Product: Progress Software LoadMaster, ECS Connection Manager, Object Scale Connection Manager
Affected versions: >= All Previous Versions < 7.2.63.3, >= All Previous Versions < 7.2.54.19, >= 7.2.60.0 < 7.2.63.3
Fixed versions: No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

1
Identify
Confirm that Progress Software LoadMaster, ECS Connection Manager, Object Scale Connection Manager and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CWE: CWE-78