CVE-2026-15027 Changing｜CGServiSign - OS Command Injection
Unauthenticated attackers can execute arbitrary OS commands on victims' computers by tricking them into visiting a malicious webpage.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-15027?
CVE-2026-15027 is a high-severity command injection vulnerability in Changing CGServiSign, published on 23 Sep 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
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.
Weakness: CWE-78
Which versions are affected by CVE-2026-15027?
How do I fix CVE-2026-15027?
No fix has been published for CVE-2026-15027 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-15027 being exploited?
There is no known exploitation of CVE-2026-15027 in the wild and no public exploit code.
Sources
Also known as GHSA-q25p-jh2x-hv2j.