CVE-2026-8037: CISA Warns of Exploited Progress LoadMaster Flaw

What This Means

CVE ID: CVE-2026-8037
Vendor/Product: Progress LoadMaster
Vulnerability: Progress LoadMaster Command Injection Vulnerability
Description: 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.
Added to CISA's Known Exploited Vulnerabilities catalog: 2026-08-07 (this means CISA has confirmed active, real-world exploitation)
Federal remediation due date: 2026-08-10
Required action: 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.
Known ransomware campaign use: Unknown
Weakness types (CWE): CWE-77

How to Fix It

• Apply all vendor-provided mitigations immediately
• Follow CISA BOD 26-04 guidance for remediation
• Perform required forensics triage as per CISA guidelines
• Restrict internet access to administrative interfaces
• Segment networks to limit potential impact