CVE-2026-3518 | Progress LoadMaster prior 7.2.63.0 API command injection

VDB-358304 · CVE-2026-3518 · GCVE-0-2026-3518 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 3.45+ Summaryinfo A vulnerability, which was classified as critical, was found in Progress LoadMaster, ECS Connections Manager, Object Scale Connection Manager and MOVEit WAF. Affected by this issue is some unknown functionality of the component API. Such manipulation leads to command injection. This vulnerability is traded as CVE-2026-3518. Access to the local network is required for this attack to succeed. There is no exploit available. You should upgrade the affected component. Detailsinfo A vulnerability was found in Progress LoadMaster, ECS Connections Manager, Object Scale Connection Manager and MOVEit WAF and classified as critical. Affected by this issue is some unknown functionality of the component API. The manipulation with an unknown input leads to a command injection vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. CVE summarizes: OS Command Injection Remote Code Execution Vulnerability in API in Progress ADC Products allows an authenticated attacker with “All” permissions to execute arbitrary commands on the LoadMaster appliance by exploiting unsanitized input in the 'killsession' command The weakness was shared by Michael Argany. The advisory is shared for download at community.progress.com. This vulnerability is handled as CVE-2026-3518 since 03/04/2026. The exploitation is known to be easy. The attack can only be initiated within the local network. Additional levels of successful authentication are needed for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1202. 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-2026-3518 (🔒) GCVE (CVE): GCVE-0-2026-3518 GCVE (VulDB): GCVE-100-358304 Entryinfo Created: 04/20/2026 16:49 Changes: 04/20/2026 16:49 (64) Complete: 🔍 Cache ID: 99:74F:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸