Actively exploited · Published Jun 4, 2026 · Assigned by ProgressSoftware
CVE-2026-8037OS Command Injection Remote Code Execution Vulnerability in Progress LoadMaster, ECS Connection Manager, Object Scale Connection Manager & MOVEit WAF
Critical 9.6 Exploited
In plain English
A critical-severity command injection in ECS Connections Manager from Progress Software. Attackers are actively exploiting it in the wild (listed by CISA on August 7, 2026). The chance it is exploited in the next 30 days is estimated at 99.8% (higher than 99.9% of all known vulnerabilities). Ready-made attack tooling exists: Nuclei, public proof-of-concept code. 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.
CISA guidance
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.
Federal agencies must remediate by Aug 10, 2026.
Official description
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
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Progress Software | LoadMaster | V7.2.60.0 – before V7.2.63.2V7.2.54.12 – before V7.2.54.18 |
| Progress Software | ECS Connections Manager | V7.2.60.0 – before V7.2.63.2 |
| Progress Software | Object Scale Connection Manager | V7.2.60.0 – before V7.2.63.2 |
| Progress Software | MOVEit WAF | V7.2.60.0 – before V7.2.63.2 |
Weakness: CWE-77 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
References
- https://community.progress.com/s/article/LoadMaster-Critical-Security-Bulletin-June-2026-CVE-2026-8037-CVE-2026-33691 vendor-advisory
- https://labs.watchtowr.com/enterprise-tech-in-shell-out-progress-kemp-loadmaster-uninitialized-heap-to-pre-auth-rce-cve-2026-8037/ third-party-advisory, exploit
- https://www.esentire.com/security-advisories/progress-kemp-loadmaster-vulnerability-targeted-cve-2026-8037 media-coverage
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-8037 government-resource