CVE-2026-3519

Name: CVE-2026-3519
Creator: NVD / NIST
Published: 2026-04-20T14:16:19.683+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.2/10EPSS 2.13%

Last modified Jun 17, 2026

CVE-2026-3519 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. OS Command Injection Remote Code Execution Vulnerability in API in Progress ADC Products allows an authenticated attacker with “VS Administration” permissions to execute arbitrary commands on the LoadMaster appliance by exploiting unsanitized input in the 'aclcontrol' command. EPSS estimates a 2.13% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

7.2/10

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

EPSS Probability

2.13%

79.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-77

Affected Software

Vendor	Product	Versions
Progress	Connection Manager For Objectscale	< 7.2.63.1
Progress	Ecs Connection Manager	< 7.2.63.1
Progress	Loadmaster	< 7.2.54.17
Progress	Loadmaster	< 7.2.63.1

References

https://community.progress.com/s/article/LoadMaster-Security-Vulnerabilites-CVE-2026-3517-CVE-2026-3518-CVE-2026-3519-CVE-2026-4048-CVE-2026-21876Patch, Vendor Advisory

Timeline

Published: Apr 20, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-3519?

How severe is CVE-2026-3519?

CVE-2026-3519 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 2.13% probability of exploitation in the next 30 days.

How do I fix CVE-2026-3519?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-3519?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST