How severe is CVE-2026-28416?

CVE-2026-28416 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.

Is CVE-2026-28416 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-28416?

CVE-2026-28416 affects Gradio Project Gradio. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-28416?

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-2026-28416 have an EU (EUVD) identifier?

Yes. CVE-2026-28416 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9084.

When was CVE-2026-28416 published?

CVE-2026-28416 was published on 2026-02-27 and last updated on 2026-06-17.

CVE-2026-28416

CVE-2026-28416 is a high-severity vulnerability in Gradio Project Gradio with a CVSS 3.x base score of 8.2. 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-918.

Key facts

Severity: High (CVSS 3.x base score 8.2)
EPSS exploit prediction: 7% (93rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-9084
Weakness: CWE-918
Affected product: Gradio Project Gradio
Published: 2026-02-27
Last modified: 2026-06-17

Description

Gradio is an open-source Python package designed for quick prototyping. Prior to version 6.6.0, a Server-Side Request Forgery (SSRF) vulnerability in Gradio allows an attacker to make arbitrary HTTP requests from a victim's server by hosting a malicious Gradio Space. When a victim application uses `gr.load()` to load an attacker-controlled Space, the malicious `proxy_url` from the config is trusted and added to the allowlist, enabling the attacker to access internal services, cloud metadata endpoints, and private networks through the victim's infrastructure. Version 6.6.0 fixes the issue.

Frequently asked questions

What is CVE-2026-28416?: Gradio is an open-source Python package designed for quick prototyping. Prior to version 6.6.0, a Server-Side Request Forgery (SSRF) vulnerability in Gradio allows an attacker to make arbitrary HTTP requests from a victim's server by hosting a malicious Gradio Space. When a victim application uses `gr.load()` to load an attacker-controlled Space, the malicious `proxy_url` from the config is trusted and added to the allowlist, enabling the attacker to access internal services, cloud metadata endpoints, and private networks through the victim's infrastructure. Version 6.6.0 fixes the issue.
How severe is CVE-2026-28416?: CVE-2026-28416 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.
Is CVE-2026-28416 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-28416?: CVE-2026-28416 affects Gradio Project Gradio. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-28416?: 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-2026-28416 have an EU (EUVD) identifier?: Yes. CVE-2026-28416 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9084.
When was CVE-2026-28416 published?: CVE-2026-28416 was published on 2026-02-27 and last updated on 2026-06-17.

References

https://github.com/gradio-app/gradio/security/advisories/GHSA-jmh7-g254-2cq9

Affected products (1)

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

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