What is CVE-2026-63766?

CVE-2026-63766 is a critical-severity vulnerability in Rvc-boss Gpt-sovits, classified under OS Command Injection. CVSS score: 9.8/10. Published 2026-07-20.

How severe is CVE-2026-63766?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Rvc-boss Gpt-sovits

CVE-2026-63766

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…

Vulnerability class: Command Injection (OS Command Injection)

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Rvc-boss Gpt-sovits — versions 0

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

Researcher Disclosure (issue-tracking, technical-description)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-63766?: CVE-2026-63766 is a critical-severity vulnerability in Rvc-boss Gpt-sovits, classified under OS Command Injection. CVSS score: 9.8/10. Published 2026-07-20.
How severe is CVE-2026-63766?: Critical severity. CVSS v3 base score is 9.8 out of 10.