PT-2026-33763 · Progress · Ecs Connections Manager+3

Published 2026-04-20 · Updated 2026-05-01 · CVE-2026-3519

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 Two separate issues allow authenticated attackers to execute arbitrary commands on the LoadMaster appliance. The first involves OS command injection via the 'aclcontrol' command in the API, requiring "VS Administration" permissions. The second occurs in the UI during the file upload process for custom WAF (Web Application Firewall) rule files, requiring "All" permissions, due to unsanitized input.

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-2026-3519

Affected Products

Ecs Connections Manager

Loadmaster

Moveit Waf

Object Scale Connection Manager

References · 7

• 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
• https://nvd.nist.gov/vuln/detail/CVE-2026-3519 · Security Note
• https://t.me/cveNotify/161796 · Telegram Post
• https://t.me/cveNotify/161783 · Telegram Post
• https://t.me/cveNotify/161795 · Telegram Post
• https://twitter.com/AndreGironda/status/2046272657117851675 · Twitter Post
• https://t.me/cveNotify/161797 · Telegram Post