---
id: CVE-2026-15027
title: CGServiSign developed by Changing has a OS Command Injection vulnerability
summary: >-
  CGServiSign developed by Changing has a OS Command Injection vulnerability.
  Unauthenticated remote attackers can induce victims to visit a malicious web
  page and inject arbitrary OS commands through the local service interface,
  resulting…
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'
cwe:
  - CWE-78
vendor: Changing
product: CGServiSign
affected:
  - CGServiSign 1.0.23.1227
published: '2026-09-23'
updated: '2026-09-24'
sourceUpdated: '2026-09-24T14:45:22.827'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-15027'
references:
  - url: 'https://www.twcert.org.tw/en/cp-139-11214-89281-2.html'
    label: twcert@cert.org.tw
  - url: 'https://www.twcert.org.tw/tw/cp-132-11213-28a81-1.html'
    label: twcert@cert.org.tw
tags:
  - nvd
  - cve.org
epss: 0.03162
epssPercentile: 0.8747
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-23T14:10:48.482227Z'
ingestedAt: '2026-09-23T09:21:16.965Z'
---

## Overview

CGServiSign developed by Changing has a OS Command Injection vulnerability. Unauthenticated remote attackers can induce victims to visit a malicious web page and inject arbitrary OS commands through the local service interface, resulting in command execution on the victim's local computer.

## Remediation

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