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Vulnerability record · CVE-2026-63766 · published 20 July 2026

CVE-2026-63766: OS command injection vulnerability

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.

9.3 CVSS 4.0 Critical EPSS 2.1% · top 18.6% CWE-78 · OS command injection Deferred
9.3CVSS 4.0 base score
2.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
23 Jul 2026Last modified by NVD

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
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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Source: NIST National Vulnerability Database (record CVE-2026-63766), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.