CVE-2024-39686
CVE-2024-39686 is a critical-severity vulnerability in Fishaudio Bert-vits2 with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- EPSS exploit prediction: 1% (64th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-38188
- Weakness: CWE-78
- Affected product: Fishaudio Bert-vits2
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2024-39686?
- 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.
- How severe is CVE-2024-39686?
- CVE-2024-39686 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2024-39686 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2024-39686?
- CVE-2024-39686 affects Fishaudio Bert-vits2. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2024-39686?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2024-39686 have an EU (EUVD) identifier?
- Yes. CVE-2024-39686 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-38188.
- When was CVE-2024-39686 published?
- CVE-2024-39686 was published on 2024-07-22 and last updated on 2026-06-17.
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/
Affected products (1)
- cpe:2.3:a:fishaudio:bert-vits2:*:*:*:*:*:*:*:*
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