CVE-2026-3518

high

Description

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

References

Advisories
References

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

https://www.helpnetsecurity.com/2026/04/22/progress-waf-bypass-cve-2026-21876/

https://www.securityweek.com/progress-patches-multiple-vulnerabilities-in-moveit-waf-loadmaster/

Details

Source: Mitre, NVD

Published: 2026-04-20

Updated: 2026-05-01

Risk Information

CVSS v2

Base Score: 8.3

Vector: CVSS2#AV:N/AC:L/Au:M/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.2

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

Severity: High

EPSS

EPSS: 0.00139