CVE-2026-3517 | Progress LoadMaster prior 7.2.63.0 API command injection

VDB-358303 · CVE-2026-3517 · GCVE-0-2026-3517 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, which was classified as critical, has been found in Progress LoadMaster, ECS Connections Manager, Object Scale Connection Manager and MOVEit WAF. Affected by this vulnerability is an unknown functionality of the component API. This manipulation causes command injection. This vulnerability appears as CVE-2026-3517. The attacker needs to be present on the local network. There is no available exploit. It is advisable to upgrade the affected component. Detailsinfo A vulnerability has been found in Progress LoadMaster, ECS Connections Manager, Object Scale Connection Manager and MOVEit WAF and classified as critical. Affected by this vulnerability is an unknown functionality of the component API. 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. The summary by CVE is: OS Command Injection Remote Code Execution Vulnerability in API in Progress ADC Products allows an authenticated attacker with “Geo Administration” permissions to execute arbitrary commands on the LoadMaster appliance by exploiting unsanitized input in the 'addcountry' command The weakness was presented by Michael Argany. It is possible to read the advisory at community.progress.com. This vulnerability is known as CVE-2026-3517 since 03/04/2026. The exploitation appears to be easy. The attack can only be done within the local network. Additional levels of successful authentication are necessary for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1202 according to MITRE ATT&CK. 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 Researcher: Michael Argany Status: Confirmed CVE: CVE-2026-3517 (🔒) GCVE (CVE): GCVE-0-2026-3517 GCVE (VulDB): GCVE-100-358303 Entryinfo Created: 04/20/2026 16:49 Changes: 04/20/2026 16:49 (63), 04/20/2026 16:50 (1) Complete: 🔍 Cache ID: 99:B8B:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸