CVE-2025-0191 Denial of Service in gaizhenbiao/chuanhuchatgpt

Medium 6.5 Published 20 Mar 2025 Updated 20 Mar 2025

An attacker can cause a denial of service by sending a file upload request with an excessively large filename, overwhelming the server.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-0191?

CVE-2025-0191 is a medium-severity denial of service vulnerability in gaizhenbiao/chuanhuchatgpt, published on 20 Mar 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A Denial of Service (DoS) vulnerability exists in the file upload feature of gaizhenbiao/chuanhuchatgpt version 20240914. The vulnerability is due to improper handling of form-data with a large filename in the file upload request. By sending a payload with an excessively large filename, the server becomes overwhelmed and unresponsive, leading to unavailability for legitimate users.

Weakness: CWE-400

Which versions are affected by CVE-2025-0191?

1 open source package ship an affected version, including chuanhuchatgpt. It affects 1 product.

Package	Affected	Fixed in
`chuanhuchatgpt` PyPI	All versions to `20240914`	None

Products include Gaizhenbiao Chuanhuchatgpt.

How do I fix CVE-2025-0191?

No fix has been published for CVE-2025-0191 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2025-0191 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-0191 exists.

Sources

Also known as GHSA-hc9x-f65g-gjqh, PYSEC-2025-99.