Vulnerability · Published Sep 23, 2026 · Assigned by twcert
CVE-2026-15027Changing｜CGServiSign - OS Command Injection
High 8.8
In plain English
A high-severity OS command injection in CGServiSign from Changing. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.2% (higher than 88% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)3.2%top 12.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Changing | CGServiSign | 1.0.23.1227 |
Weakness: CWE-78 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
References
- https://www.twcert.org.tw/tw/cp-132-11213-28a81-1.html third-party-advisory
- https://www.twcert.org.tw/en/cp-139-11214-89281-2.html third-party-advisory