---
id: CVE-2026-78211
title: >-
  4MOSAn GCB Doctor developed by 4MOSAn Security Technology has a OS Command
  Injection vulnerability
summary: >-
  4MOSAn GCB Doctor developed by 4MOSAn Security Technology has a OS Command
  Injection vulnerability. Unauthenticated remote attackers can inject malicious
  commands through an unremoved ADOdb test page parameter, thereby executing
  arbitrar…
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-78
published: '2026-08-24'
updated: '2026-10-12'
sourceUpdated: '2026-10-12T16:10:00.220'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-78211'
references:
  - url: 'https://www.twcert.org.tw/en/cp-139-11122-3d95a-2.html'
    label: twcert@cert.org.tw
  - url: 'https://www.twcert.org.tw/tw/cp-132-11118-dfee4-1.html'
    label: twcert@cert.org.tw
tags:
  - nvd
epss: 0.02043
epssPercentile: 0.80635
ingestedAt: '2026-10-12T16:57:59.905Z'
---

## Overview

4MOSAn GCB Doctor developed by 4MOSAn Security Technology has a OS Command Injection vulnerability. Unauthenticated remote attackers can inject malicious commands through an unremoved ADOdb test page parameter, thereby executing arbitrary system commands on the server.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.