fishaudio Bert-VITS2 Gradio webui_preprocess.py generate_config path traversal
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-8756
- 2026-10-03 Alias added: GHSA-g26q-578c-pc62
- 2026-10-25 EPSS moved to the below the 50th percentile
References
More FishAudio vulnerabilities
- TI-2024-26610 fishaudio/Bert-VITS2 Command Injection in webui_preprocess.py bert_gen function CVSS 3.1CRITICAL 9.8
- TI-2024-26609 fishaudio/Bert-VITS2 Command Injection in webui_preprocess.py resample function CVSS 3.1CRITICAL 9.8
- TI-2026-07694 fishaudio Bert-VITS2 Model hiyoriUI.py _get_all_models path traversal CVSS 4.0MEDIUM 6.9
- TI-2024-26612 fishaudio/Bert-VITS2 Limited File Write in webui_preprocess.py generate_config function CVSS 3.1MEDIUM 6.5
Sources
- CVE-2026-8756 · CVE Program
- CVE-2026-8756 · NVD
- FIRST EPSS
- GHSA-g26q-578c-pc62 · GitHub Advisory Database · CC BY 4.0
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