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CVE-2026-4048

Published: Apr 20, 2026Updated: May 1, 2026 Sources: CVE List NVDCWE-77
8.4HIGH
NVD MITRE
EPSS Score
2.1%
Top 20.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:AAC:LPR:HUI:NS:CC:HI:HA:H
Exploitability
AV:AAttack Vector
Adjacent
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-77

Affected Products

Progress Software
commercial·CA
LoadMasterOn-premNetwork Device
Networking Infrastructure / load-balancer-proxy
ECS Connections ManagerOn-premNetwork Device
Networking Infrastructure / network-management
Object Scale Connection ManagerOn-premNetwork Device
Networking Infrastructure / network-management
MOVEit WAFOn-premNetwork Device
Networking Infrastructure / firewall
progress
commercial·CAaka moveit transfer, ws ftp server, whatsup gold
connection manager for objectscaleOn-premWeb App
Enterprise Software
ecs connection managerOn-premWeb App
Enterprise Software / itsm-monitoring
loadmasterOn-premNetwork Device
Networking Infrastructure / load-balancer-proxy

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

1 technique
Execution
View detailed technique mapping

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
community.progress.com

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