CVE-2026-4048 | Progress LoadMaster prior 7.2.63.0 UI command injection

VDB-358306 · CVE-2026-4048 · GCVE-0-2026-4048 PROGRESS LOADMASTER PRIOR 7.2.63.0 UI COMMAND INJECTION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 7.4 $0-$5k 3.46+ Summaryinfo A vulnerability was found in Progress LoadMaster, ECS Connections Manager, Object Scale Connection Manager and MOVEit WAF and classified as critical. This vulnerability affects unknown code of the component UI. Executing a manipulation can lead to command injection. This vulnerability is handled as CVE-2026-4048. The attack can only be done within the local network. There is not any exploit available. It is suggested to upgrade the affected component. Detailsinfo A vulnerability was found in Progress LoadMaster, ECS Connections Manager, Object Scale Connection Manager and MOVEit WAF. It has been declared as critical. This vulnerability affects an unknown code of the component UI. The manipulation with an unknown input leads to a command injection vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes: 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. The advisory is available at community.progress.com. This vulnerability was named CVE-2026-4048 since 03/12/2026. The exploitation appears to be easy. The attack needs to be initiated within the local network. The exploitation needs additional levels of successful authentication. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1202 by the MITRE ATT&CK project. Upgrading to version 7.2.63.0 eliminates this vulnerability. Productinfo Vendor Progress Name ECS Connections Manager LoadMaster MOVEit WAF Object Scale Connection Manager License commercial CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 7.6 VulDB Meta Temp Score: 7.4 VulDB Base Score: 6.8 VulDB Temp Score: 6.5 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 8.4 CNA Vector (ProgressSoftware): 🔒 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Command injection CWE: CWE-77 / CWE-74 / CWE-707 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Partially Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: Upgrade Status: 🔍 0-Day Time: 🔒 Upgrade: LoadMaster/ECS Connections Manager/Object Scale Connection Manager/MOVEit WAF 7.2.63.0 Timelineinfo 03/12/2026 CVE reserved 04/20/2026 +38 days Advisory disclosed 04/20/2026 +0 days VulDB entry created 04/20/2026 +0 days VulDB entry last update Sourcesinfo Advisory: community.progress.com Status: Confirmed CVE: CVE-2026-4048 (🔒) GCVE (CVE): GCVE-0-2026-4048 GCVE (VulDB): GCVE-100-358306 Entryinfo Created: 04/20/2026 16:50 Changes: 04/20/2026 16:50 (63) Complete: 🔍 Cache ID: 99:A5C:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸