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CVE-2025-49840 GHSL-2025-052: GPT-SoVITS Deserialization of Untrusted Data vulnerability

High 8.9 Published Updated

Attackers can execute arbitrary code via unsafe deserialization in the GPT-SoVITS webUI when loading user-controlled model paths.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-49840?

CVE-2025-49840 is a high-severity unsafe deserialization vulnerability in RVC-Boss GPT-SoVITS, published on 15 Jul 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

GPT-SoVITS-WebUI is a voice conversion and text-to-speech webUI. In versions 20250228v3 and prior, there is an unsafe deserialization vulnerability in inference_webui.py. The GPT_dropdown variable takes user input and passes it to the change_gpt_weights function. In change_gpt_weights, the user input, here gpt_path is used to load a model with torch.load, leading to unsafe deserialization. At time of publication, no known patched versions are available.

Weakness: CWE-502

Which versions are affected by CVE-2025-49840?

It affects 1 product.

Products include Rvc-Boss Gpt-Sovits-Webui.

How do I fix CVE-2025-49840?

No fix has been published for CVE-2025-49840 yet. Limit exposure of the affected software until one is available.

Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.

Is CVE-2025-49840 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-49840 exists.

Sources

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