RCE in Changing Cgservisign
CVE-2026-15027
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.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.032 (88.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 88.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.032 · newest: 0.032 · change: 0.000
Affected products
- Changing Cgservisign — versions 1.0.23.1227
Weakness classification (CWE)
References
- www.twcert.org.tw/tw/cp-132-11213-28a81-1.html (third-party-advisory)
- www.twcert.org.tw/en/cp-139-11214-89281-2.html (third-party-advisory)
Frequently asked questions
- What is CVE-2026-15027?
- CVE-2026-15027 is a high-severity vulnerability in Changing Cgservisign, classified under OS Command Injection. CVSS score: 8.8/10. Published 2026-09-23.
- How severe is CVE-2026-15027?
- High severity. CVSS v3 base score is 8.8 out of 10.