CVE-2026-8037: Progress LoadMaster Command Injection Vulnerability

In short

Progress LoadMaster has a weakness classified as command injection (CWE-77). CISA added it to its Known Exploited Vulnerabilities catalog on 2026-08-07. NVD lists CVSS 3.1 at 9.8 CRITICAL.

What it is

“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.” — CISA KEV, retrieved 2026-11-01

“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” — NVD, retrieved 2026-11-01

Who is affected

Progress LoadMaster. NVD lists the following versions as affected:

• Progress Connection Manager For Objectscale: before 7.2.63.2
• Progress Ecs Connection Manager: before 7.2.63.2
• Progress Moveit Web Application Firewall: before 7.2.63.2
• Progress Loadmaster: before 7.2.54.18
• Progress Loadmaster: from 7.2.55.0 inclusive, before 7.2.63.2

Exploitation status

CISA KEV added: 2026-08-07. Known ransomware campaign use: Not reported by CISA. Due date CISA set for US federal civilian agencies: 2026-08-10.

Scores

NVD CVSS 3.1: 9.8 CRITICAL; vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H; source [email protected].

EPSS by FIRST: 99.79%; percentile 99.96; score date 2026-10-31. EPSS estimates the probability of exploitation in the next 30 days.

CWE: CWE-77.

Timeline

CISA 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.” — CISA KEV

What to do

• Confirm whether you run Progress LoadMaster and which version.
• Apply the vendor update or mitigation in the advisory.
• Follow CISA’s required action.
• Review the vendor guidance on signs of compromise.
• Track the fix through completion.

References

• Patch, Vendor Advisory: https://community.progress.com/s/article/LoadMaster-Critical-Security-Bulletin-June-2026-CVE-2026-8037-CVE-2026-33691
• Third Party Advisory: https://www.esentire.com/security-advisories/progress-kemp-loadmaster-vulnerability-targeted-cve-2026-8037
• NVD detail
• CVE.org record
• CISA KEV catalog

Sources and dates

CISA Known Exploited Vulnerabilities Catalog, version 2026.10.30; retrieved 2026-11-01. CISA KEV data: CC0 1.0. No endorsement by CISA.

NVD retrieved: 2026-11-01. This product uses the NVD API but is not endorsed or certified by the NVD.

EPSS scores by FIRST; score date 2026-10-31.