CVE-2026-3519 | Progress LoadMaster prior 7.2.63.0 API command injection

VDB-358305 · CVE-2026-3519 · GCVE-0-2026-3519 PROGRESS LOADMASTER PRIOR 7.2.63.0 API COMMAND INJECTION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 7.4 $0-$5k 3.11+ Summaryinfo A vulnerability has been found in Progress LoadMaster, ECS Connections Manager, Object Scale Connection Manager and MOVEit WAF and classified as critical. This affects an unknown part of the component API. Performing a manipulation results in command injection. This vulnerability is known as CVE-2026-3519. Access to the local network is required for this attack. No exploit is available. The affected component should be upgraded. Detailsinfo A vulnerability was found in Progress LoadMaster, ECS Connections Manager, Object Scale Connection Manager and MOVEit WAF. It has been classified as critical. This affects an unknown part of the component API. The manipulation with an unknown input leads to a command injection vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is: OS Command Injection Remote Code Execution Vulnerability in API in Progress ADC Products allows an authenticated attacker with “VS Administration” permissions to execute arbitrary commands on the LoadMaster appliance by exploiting unsanitized input in the 'aclcontrol' command The advisory is shared at community.progress.com. This vulnerability is uniquely identified as CVE-2026-3519 since 03/04/2026. The exploitability is told to be easy. The attack needs to be done within the local network. The exploitation requires an enhanced level of successful authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1202 for this issue. 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 03/04/2026 CVE reserved 04/20/2026 +46 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-2026-3519 (🔒) GCVE (CVE): GCVE-0-2026-3519 GCVE (VulDB): GCVE-100-358305 Entryinfo Created: 04/20/2026 16:50 Changes: 04/20/2026 16:50 (63) Complete: 🔍 Cache ID: 99:75D:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸