CVE-2025-0187: gradio DoS — Exploit

Description

A Denial of Service (DoS) vulnerability was discovered in the file upload feature of gradio-app/gradio version 0.39.1. 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.

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CVSS v3.1 Score

7.5

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-400 Uncontrolled Resource Consumption

Affected Products

Vendor	Product	Versions
gradio_project	gradio	All

References

Exploits

https://huntr.com/bounties/77f3ed54-9e1c-4d9f-948f-ee6f82e2fe24

Frequently Asked Questions

What is CVE-2025-0187? +

A Denial of Service (DoS) vulnerability was discovered in the file upload feature of gradio-app/gradio version 0.39.1. 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. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2025-0187? +

CVE-2025-0187 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-0187? +

CVE-2025-0187 affects products from gradio_project, specifically: gradio. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-0187? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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