BLACKOUT MAP

Progress · LoadMaster

CVE-2026-8037

OS Command Injection Remote Code Execution Vulnerability in Progress LoadMaster, ECS Connection Manager, Object Scale Connection Manager & MOVEit WAF

Exploited in attacks Critical 9.6 Attack chance: 99.8%
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What it is

OS Command Injection Remote Code Execution Vulnerability in API in Progress ADC Products allows an un-authenticated attacker to execute arbitrary commands on the LoadMaster appliance by exploiting unsanitized input in multiple command endpoints

CISA: Progress LoadMaster contains a command injection vulnerability that allows an un-authenticated attacker to execute arbitrary commands on the LoadMaster appliance by exploiting unsanitized input in multiple command endpoints.

What to do

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

Deadline for US federal agencies: August 10, 2026

Added to the CISA list
August 7, 2026
Published
June 4, 2026
Severity
Critical 9.6 CVSS 3.1
Chance of attacks in the next 30 days (EPSS)
99.8% in the top 0.1% of all known vulnerabilities
Weakness
CWE-77
More details
NVD · CVE.org · CISA

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Nov 18, 2024OS Command InjectionCVE-2024-1212Kemp LoadMasterCritical 10.095%
Sep 16, 2024SQL InjectionCVE-2024-6670used by ransomwareWhatsUp GoldCritical 9.893%
Jun 13, 2024Authentication Bypass by SpoofingCVE-2024-4358Telerik Report ServerCritical 9.897%
Oct 5, 2023Deserialization of Untrusted DataCVE-2023-40044used by ransomwareWS_FTP ServerCritical 10.090%
Jun 2, 2023SQL InjectionCVE-2023-34362used by ransomwareMOVEit TransferCritical 9.899.9%
Nov 3, 2021Telerik UI for ASP.NET AJAX and Sitefinity Cryptographic WeaknessCVE-2017-9248ASP.NET AJAX and SitefinityCritical 9.875%
Nov 3, 2021Deserialization of Untrusted DataCVE-2019-18935used by ransomwareTelerik UI for ASP.NET AJAXCritical 9.899.7%

All of them →

Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.