Progress LoadMaster Command Injection Vulnerability
Progress Software — LoadMaster
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
9.6
99.3%
Vector breakdown
- Attack vector
- Adjacent
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Changed
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- Published
- Jun 4, 2026
- Modified
- Aug 10, 2026
- Added to KEV
- Aug 7, 2026
- Federal patch due
- Aug 10, 2026
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.
Weakness classification
Affected packages
Proof-of-concept & exploitation references
2 foundWeaponization
Public repositories whose name or description references CVE-2026-8037, found via a live GitHub search at request time. These are community-sourced signals, not a verified working exploit - cross-check each one before relying on it, and treat higher star counts and recent activity as (weak) corroboration, not proof.
References
Frequently asked questions
What is CVE-2026-8037?
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
How severe is CVE-2026-8037?
CVE-2026-8037 has a CVSS base score of 9.6 out of 10 (CVSS 3.1).
Is CVE-2026-8037 actively exploited in the wild?
Yes. CVE-2026-8037 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added Aug 7, 2026, meaning CISA has confirmed evidence of active exploitation.
What is the EPSS score for CVE-2026-8037?
99.3% - meaning FIRST.org's EPSS model estimates a 99.3% probability this vulnerability will be exploited in the wild within 30 days (100% percentile among all scored CVEs).
Is there exploit tooling available for CVE-2026-8037?
Yes - a public Nuclei template referencing CVE-2026-8037 exist in public repositories we checked. We also found 2 public GitHub repositories referencing this CVE.
What type of vulnerability is CVE-2026-8037?
CVE-2026-8037 is classified under CWE-77 (CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')).
Cross-checked against
Impactr finds and proves whether CVE-2026-8037 - or flaws like it - are actually reachable in your own web apps and APIs, with a reproducible exploit as evidence.
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