CVE-2026-8756
fishaudio Bert-VITS2 Gradio webui_preprocess.py generate_config path traversal
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.
INFO
Published Date :
May 17, 2026, 1:16 p.m.
Last Modified :
May 17, 2026, 1:16 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-8756
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | HIGH | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Update fishaudio Bert-VITS2 to the latest version.
- Review and sanitize the 'data_dir' argument.
- Implement input validation for directory paths.
- Restrict access to sensitive file system locations.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-8756.
| URL | Resource |
|---|---|
| https://gist.github.com/YLChen-007/550cb92f3489c317ff049fc7d7ea6b99 | |
| https://vuldb.com/submit/811175 | |
| https://vuldb.com/vuln/364383 | |
| https://vuldb.com/vuln/364383/cti |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-8756 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-8756
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-8756 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-8756 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
May. 17, 2026
Action Type Old Value New Value Added 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. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:P/A:P) Added CWE CWE-22 Added Reference https://gist.github.com/YLChen-007/550cb92f3489c317ff049fc7d7ea6b99 Added Reference https://vuldb.com/submit/811175 Added Reference https://vuldb.com/vuln/364383 Added Reference https://vuldb.com/vuln/364383/cti