RCE in Rvc-Project Retrieval-Based-Voice-Conversion-Webui
CVE-2025-43843
Retrieval-based-Voice-Conversion-WebUI is a voice changing framework based on VITS. Versions 2.2.231006 and prior are vulnerable to command injection. The variables exp_dir1, np7 and f0method8 take user input and pass it into the extract_f0_feature function, which concatenates them into a command that is run on the server. This can lead to arbitrary command execution. As of time of publication, no known patches exist.
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.023 (81.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Rvc-project Retrieval-based-voice-conversion-webui — versions <= 2.2.231006
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
- security-advisories@github.com (Product, x_refsource_MISC)
- security-advisories@github.com (Product, x_refsource_MISC)
- security-advisories@github.com (Product, x_refsource_MISC)
- security-advisories@github.com (Product, x_refsource_MISC)
- security-advisories@github.com (Product, x_refsource_MISC)
- security-advisories@github.com (Product, x_refsource_MISC)
Frequently asked questions
- What is CVE-2025-43843?
- CVE-2025-43843 is a critical-severity vulnerability in Rvc-Project Retrieval-Based-Voice-Conversion-Webui, classified under Command Injection. CVSS score: 9.8/10. Published 2025-05-05.
- How severe is CVE-2025-43843?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2025-43843 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.