What’s Vulnerable › Vulnerabilities

CVE-2024-39686: fishaudio/Bert-VITS2 Command Injection in webui_preprocess.py bert_gen function

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2024-07-22 · updated 2026-06-17
• Weakness: CWE-78

Description

Bert-VITS2 is the VITS2 Backbone with multilingual bert. User input supplied to the data_dir variable is used directly in a command executed with subprocess.run(cmd, shell=True) in the bert_gen function, which leads to arbitrary command execution. This affects fishaudio/Bert-VITS2 2.3 and earlier.

Affected products

• FishAudio Bert-Vits2: through 2.3

References

• https://github.com/fishaudio/Bert-VITS2/blob/3f8c537f4aeb281df3fb3c455eed9a1b64871a81/webui_preprocess.py#L82C9-L82C57
• https://github.com/fishaudio/Bert-VITS2/blob/76653b5b6d657143721df2ed6c5c246b4b1d9277/webui_preprocess.py#L130-L133
• https://securitylab.github.com/advisories/GHSL-2024-045_GHSL-2024-047_fishaudio_Bert-VITS2/
• https://github.com/fishaudio/Bert-VITS2/blob/3f8c537f4aeb281df3fb3c455eed9a1b64871a81/webui_preprocess.py#L82C9-L82C57
• https://github.com/fishaudio/Bert-VITS2/blob/76653b5b6d657143721df2ed6c5c246b4b1d9277/webui_preprocess.py#L130-L133
• https://securitylab.github.com/advisories/GHSL-2024-045_GHSL-2024-047_fishaudio_Bert-VITS2/

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