Vulnerability · Published May 17, 2026 · Assigned by VulDB

CVE-2026-8756fishaudio Bert-VITS2 Gradio webui_preprocess.py generate_config path traversal

High 7.3

In plain English

A high-severity path traversal in Bert-VITS2 from fishaudio. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 44% of all known vulnerabilities).

Severity (CVSS 3.1)7.3High

Exploit odds (30 days)0.5%top 56.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
fishaudio	Bert-VITS2	8f7fbd8c4770965225d258db548da27dc8dd934c

Weakness: CWE-22 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References

VDB-364383 | fishaudio Bert-VITS2 Gradio webui_preprocess.py generate_config path traversal vdb-entry, technical-description
VDB-364383 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
Submit #811175 | fishaudio Bert-VITS2 <= 406b79a Path Traversal (CWE-22) third-party-advisory
https://gist.github.com/YLChen-007/550cb92f3489c317ff049fc7d7ea6b99 exploit