CVE-2026-63766: GPT-SoVITS 20250606v2pro OS Command Injection via webui.py

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-07-20 · updated 2026-10-24
Weakness: CWE-78

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.

Affected products

RVC-Boss GPT-SoVITS: through 20250606v2pro

References

https://github.com/RVC-Boss/GPT-SoVITS/issues/2793
https://www.vulncheck.com/advisories/gpt-sovits-20250606v2pro-os-command-injection-via-webui-py
https://github.com/RVC-Boss/GPT-SoVITS/issues/2793

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