CVE-2024-39686

Name: CVE-2024-39686
Creator: NVD / NIST
Published: 2024-07-22T16:15:03.657+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.18%

Last modified Jun 17, 2026

CVE-2024-39686 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 1.18% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.18%

63.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Fishaudio	Bert-Vits2	<= 2.3

References

https://github.com/fishaudio/Bert-VITS2/blob/3f8c537f4aeb281df3fb3c455eed9a1b64871a81/webui_preprocess.py#L82C9-L82C57Issue Tracking
https://github.com/fishaudio/Bert-VITS2/blob/76653b5b6d657143721df2ed6c5c246b4b1d9277/webui_preprocess.py#L130-L133Issue Tracking
https://securitylab.github.com/advisories/GHSL-2024-045_GHSL-2024-047_fishaudio_Bert-VITS2/Exploit, Third Party Advisory
https://github.com/fishaudio/Bert-VITS2/blob/3f8c537f4aeb281df3fb3c455eed9a1b64871a81/webui_preprocess.py#L82C9-L82C57Issue Tracking
https://github.com/fishaudio/Bert-VITS2/blob/76653b5b6d657143721df2ed6c5c246b4b1d9277/webui_preprocess.py#L130-L133Issue Tracking
https://securitylab.github.com/advisories/GHSL-2024-045_GHSL-2024-047_fishaudio_Bert-VITS2/Exploit, Third Party Advisory

Timeline

Published: Jul 22, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2024-39686?

How severe is CVE-2024-39686?

CVE-2024-39686 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.18% probability of exploitation in the next 30 days.

How do I fix CVE-2024-39686?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-39686?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST