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Vulnerability record · CVE-2026-4048 · published 20 April 2026

CVE-2026-4048: Progress connection manager for objectscale command injection vulnerability

Progress · Connection Manager For Objectscale

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.

7.2 CVSS 3.1 High EPSS 4.2% · top 9.4% CWE-77 · Command injection
7.2CVSS 3.1 base score
4.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

Description

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.

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

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://community.progress.com/s/article/LoadMaster-Security-Vulnerabilites-CVE-2026-3517-CVE-2026-3518-CVE-2026-3519-CV PatchVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2026-8037Progress LoadMaster API OS Command Injection RCEProgress LoadMaster (and related ADC products) contain an OS command injection flaw in multiple API command endpoints where unsanitized input is pass…KEVEPSS 77%analysed9.8CVE-2024-1212Progress LoadMaster management interface OS command injectionProgress Kemp LoadMaster contains an OS command injection flaw (CWE-78) in its management interface. An unauthenticated remote attacker can reach the…KEVEPSS 95%analysed9.8CVE-2024-8755Progress loadmaster improper input validation vulnerabilityImproper Input Validation vulnerability of Authenticated User in Progress LoadMaster allows : OS Command Injection.This issue affects:  Product Affec…EPSS 1.2%8.8CVE-2025-1758Progress multi-tenant loadmaster stack-based buffer overflow vulnerabilityImproper Input Validation vulnerability in Progress LoadMaster allows : Buffer OverflowThis issue affects: * LoadMaster: 7.2.40.0 and above * ECS: Al…EPSS 4.8%8.8CVE-2024-2448Progress LoadMaster UI OS Command InjectionLoadMaster contains an OS command injection flaw (CWE-78) in a UI component. An authenticated UI user with any permission setting can inject shell co…EPSS 55%analysed8.8CVE-2014-5287Progress loadmaster injection vulnerabilityA Bash script injection vulnerability exists in Kemp Load Master 7.1-16 and earlier due to a failure to sanitize input in the Web User Interface (WUI…EPSS 8.0%8.4CVE-2026-59687Progress connection manager for objectscale os command injection vulnerabilityAn OS Command Injection vulnerability in Progress Software LoadMaster, ECS Connection Manager, Object Scale Connection Manager, and MOVEit WAF allows…EPSS 1.7%8.4CVE-2026-59688Progress connection manager for objectscale os command injection vulnerabilityAn OS Command Injection vulnerability in Progress Software LoadMaster, ECS Connection Manager, Object Scale Connection Manager, and MOVEit WAF allows…EPSS 1.7%

Source: NIST National Vulnerability Database (record CVE-2026-4048), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.