CVE-2026-4048: OS Command Injection Remote Code Execution Vulnerability in Progress LoadMaster, ECS Connection Manager, Object Scale Connection Manager & MOVEit WAF
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.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2026-4048?
CVE-2026-4048 is considered a high severity vulnerability due to its potential to allow remote code execution.
How do I fix CVE-2026-4048?
To fix CVE-2026-4048, ensure that you apply the latest security patches provided by Progress for affected products.
What products are affected by CVE-2026-4048?
CVE-2026-4048 affects Progress LoadMaster, ECS Connection Manager, Object Scale Connection Manager, and MOVEit WAF.
Who can exploit CVE-2026-4048?
CVE-2026-4048 can be exploited by authenticated attackers with 'All' permissions.
What type of vulnerability is CVE-2026-4048?
CVE-2026-4048 is an OS Command Injection vulnerability that allows remote code execution.