How severe is CVE-2025-0187?

CVE-2025-0187 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-0187 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-0187?

CVE-2025-0187 affects Gradio Project Gradio. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-0187?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-0187 have an EU (EUVD) identifier?

Yes. CVE-2025-0187 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-6820.

When was CVE-2025-0187 published?

CVE-2025-0187 was published on 2025-03-20 and last updated on 2026-06-17.

CVE-2025-0187

CVE-2025-0187 is a high-severity vulnerability in Gradio Project Gradio with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-400.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-6820
Weakness: CWE-400
Affected product: Gradio Project Gradio
Published: 2025-03-20
Last modified: 2026-06-17

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.

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.
How severe is CVE-2025-0187?: CVE-2025-0187 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-0187 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-0187?: CVE-2025-0187 affects Gradio Project Gradio. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-0187?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-0187 have an EU (EUVD) identifier?: Yes. CVE-2025-0187 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-6820.
When was CVE-2025-0187 published?: CVE-2025-0187 was published on 2025-03-20 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:gradio_project:gradio:0.39.1:*:*:*:*:python:*:*

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