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

Published 2026-04-20 · Updated 2026-05-01 · CVE-2026-4048

Positive Technologies (AI Summary)

CVSS v3.1

8.4

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Progress ADC Products (affected versions not specified)

Description An OS Command Injection flaw in the user interface allows an authenticated attacker with "All" permissions to execute arbitrary commands on the LoadMaster appliance. This occurs due to unsanitized input within a custom WAF (Web Application Firewall) rule file during the file upload process.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Command Injection

Weakness Enumeration

CWE-77

Related Identifiers

CVE-2026-4048

Affected Products

Ecs Connections Manager

Loadmaster

Moveit Waf

Object Scale Connection Manager

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2026-4048 · Security Note
• https://t.me/cveNotify/161796 · Telegram Post
• 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, Patch
• https://t.me/cveNotify/161797 · Telegram Post
• https://t.me/cveNotify/161783 · Telegram Post
• https://t.me/cveNotify/161795 · Telegram Post