CVE-2026-4048
OS Command Injection in Progress ADC LoadMaster UI Allows RCE
Publication date: 2026-04-20
Last updated on: 2026-05-01
Assigner: Progress Software Corporation
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| progress | connection_manager_for_objectscale | to 7.2.63.1 (exc) |
| progress | ecs_connection_manager | to 7.2.63.1 (exc) |
| progress | loadmaster | to 7.2.63.1 (exc) |
| progress | loadmaster | to 7.2.54.17 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-77 | The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is an OS Command Injection Remote Code Execution issue found in the UI of Progress ADC Products. It allows an authenticated attacker who has "All" permissions to execute arbitrary commands on the LoadMaster appliance. The attacker exploits unsanitized input in a custom Web Application Firewall (WAF) rule file during the file upload process.
How can this vulnerability impact me? :
An attacker exploiting this vulnerability can execute arbitrary commands on the affected LoadMaster appliance, potentially leading to full compromise of the system. This can result in unauthorized access, data theft, disruption of services, and further attacks within the network.