CVE-2026-59686 — HIGH (8.4)

Vulnerability 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.

CVSS Score

8.4

HIGH

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

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-78

References

https://community.progress.com/s/article/LoadMaster-Critical-Security-Bulletin-J

FAQ

What is CVE-2026-59686?

CVE-2026-59686 is a vulnerability with a CVSS score of 8.4 (HIGH). 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 ...

How severe is CVE-2026-59686?

CVE-2026-59686 has been rated HIGH with a CVSS base score of 8.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-59686?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.