Progress LoadMaster, ECS Connection Manager, Object Scale Connection Manager, MOVEit WAF, and Multi Tenant Missing Authorization Allows Privilege Escalation via REST API
CVE-2026-59690

8HIGH

Key Information:

Vendor

Progress Software
Status
Loadmaster
Ecs Connection Manager
Object Scale Connection Manager
Moveit Waf
Vendor
CVE Published:
27 July 2026

What is CVE-2026-59690?

A Missing Authorization vulnerability in Progress Software LoadMaster, ECS Connection Manager, Object Scale Connection Manager, MOVEit WAF, and Multi Tenant allows an authenticated attacker with low privileges to perform privileged administrative operations via the REST API that should not be accessible to their permission level, potentially resulting in a system compromise.

Affected Version(s)

ECS Connection Manager 7.2.60.0 < 7.2.63.3

LoadMaster 7.0.6 < 7.2.63.3

LoadMaster 7.0.6 < 7.2.54.19

References

https://community.progress.com/s/article/LoadMaster-Criti...
vendor-advisory

CVSS V3.1

Score:
8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Xander Mackenzie | @thetrueartist.co.uk working with TrendAI Zero Day Initiative
.