GPT-SoVITS from RVC-Boss is affected by CVE-2026-63766, an unauthenticated OS command injection flaw in webui.py that can let remote attackers execute arbitrary commands on the host. The vulnerability affects versions through 20250606v2pro and stems from multiple WebUI functions building shell commands from Gradio textbox path inputs and executing them with shell=True, exposing the server process to attacker-controlled input.

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The GPT-SoVITS OS command injection flaw was published as CVE-2026-63766, affecting versions through 20250606v2pro. The advisory described unauthenticated arbitrary command execution via unsanitized path parameters in webui.py and classified the issue as CWE-78 with a high-severity CVSS score.
A GitHub issue disclosed an unauthenticated remote command execution flaw in GPT-SoVITS's training/preprocess WebUI, caused by interpolating Gradio textbox path inputs into shell commands executed with shell=True. The report said the issue affected multiple functions including ASR, slice, denoise, and uvr5, and noted the WebUI binds to 0.0.0.0 without authentication.
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