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    CVE-2026-4048

    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.

    Published:Apr 20, 2026
    Last Modified:May 1, 2026
    EPS:Apr 20, 2026
    EPSS Score:0.00079
    CVSS Score:8.4

    Affected Products

    Vendor
    Progress
    Product
    Connection Manager For Objectscale
    Vendor
    Progress
    Product
    Ecs Connection Manager
    Vendor
    Progress
    Product
    Loadmaster
    Vendor
    Progress
    Product
    Moveit Waf
    Vendor
    Progress
    Product
    Object Scale Connection Manager

    Exploits

    No exploit reference

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    CVE-2026-59688 (CVSS 8.4) — An OS Command Injection vulnerability in Progress Software LoadMaster, ECS Connection Manager, Object Scale Co…
    CVE-2026-59687 (CVSS 8.4) — An OS Command Injection vulnerability in Progress Software LoadMaster, ECS Connection Manager, Object Scale Co…
    CVE-2026-59686 (CVSS 8.4) — An OS Command Injection vulnerability in Progress Software LoadMaster, ECS Connection Manager, Object Scale Co…
    CVE-2026-3519 (CVSS 8.4) — OS Command Injection Remote Code Execution Vulnerability in API in Progress ADC Products allows an authenticat…
    CVE-2026-3518 (CVSS 8.4) — OS Command Injection Remote Code Execution Vulnerability in API in Progress ADC Products allows an authenticat…
    CVE-2026-3517 (CVSS 8.4) — OS Command Injection Remote Code Execution Vulnerability in API in Progress ADC Products allows an authenticat…
    CVE-2025-13444 (CVSS 8.4) — OS Command Injection Remote Code Execution Vulnerability in API in Progress LoadMaster allows an authenticated…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High