PT-2026-33766 · Progress · Ecs Connections Manager+3

Published 2026-04-20 · Updated 2026-04-20 · CVE-2026-4048

NVD

CVSS v3.1

8.4

High

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

OS Command Injection Remote Code Execution Vulnerability in UI in Progress ADC Products allows an authenticated attacker with “All” permissions to execute arbitrary commands on the LoadMaster appliance by exploiting unsanitized input in a custom WAF rule file during the file upload process.

Fix

Command Injection

Weakness Enumeration

CWE-77

Related Identifiers

CVE-2026-4048

Affected Products

Ecs Connections Manager

Loadmaster

Moveit Waf

Object Scale Connection Manager

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-4048 · Security Note
• https://community.progress.com/s/article/LoadMaster-Security-Vulnerabilites-CVE-2026-3517-CVE-2026-3518-CVE-2026-3519-CVE-2026-4048-CVE-2026-21876 · Vendor Advisory