CVE-2026-63766 GPT-SoVITS 20250606v2pro OS Command Injection via webui.py
Attackers can execute arbitrary OS commands via unsanitized input in GPT-SoVITS webui without authentication.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-63766?
CVE-2026-63766 is a critical command injection vulnerability in RVC-Boss GPT-SoVITS, published on 20 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
GPT-SoVITS through 20250606v2pro contains an OS command injection vulnerability in webui.py where ASR, slice, denoise, and uvr5 functions interpolate unsanitized Gradio textbox values directly into shell commands executed with shell=True. Attackers can inject shell metacharacters through path parameters to execute arbitrary OS commands as the server process user without authentication.
Weakness: CWE-78
Which versions are affected by CVE-2026-63766?
How do I fix CVE-2026-63766?
No fix has been published for CVE-2026-63766 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-2026-63766 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-63766 exists.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-9673-c4fc-mjq2.