CVE-2026-3518 HIGH

CVE-2026-3518: OS Command Injection Remote Code Execution Vulnerability in Progress LoadMaster, ECS Connection Manager, Object Scale Connection Manager & MOVEit WAF

Vendor Progress Software
Product LoadMaster
Weakness CWE-77
Published April 20, 2026
Last update April 22, 2026
View on NVD All CVEs

CVSS base score

8.4/10
Attack vector Adjacent
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

OS Command Injection Remote Code Execution Vulnerability in API in Progress ADC Products allows an authenticated attacker with “All” permissions to execute arbitrary commands on the LoadMaster appliance by exploiting unsanitized input in the 'killsession' command

Key dates

02Disclosure timeline

April 20, 2026 CVE published
April 22, 2026 Record updated