fishaudio Bert-VITS2 — Path Traversal (CVE-2026-8756)
Date: 2026-05
Attack vector: path-traversal
Category: vulnerability-disclosure
Severity: High
CVE: CVE-2026-8756
CWE: CWE-22
CVSS: 7.3 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

A vulnerability has been found in fishaudio Bert-VITS2 up to 8f7fbd8c4770965225d258db548da27dc8dd934c. The impacted element is the function generate_config of the file webui_preprocess.py of the component Gradio Interface. Such manipulation of the argument data_dir leads to path traversal. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. This product does not use versioning. This is why information about affected and unaffected releases are unavailable. The vendor was contacted early about this disclosure but did not respond in any way.


Mitigations:

Architectural layers (MAESTRO):