What is CVE-2026-28415?

CVE-2026-28415 is a medium-severity vulnerability in Gradio-app Gradio, classified under Information Disclosure. CVSS score: 4.3/10. Published 2026-02-27.

How severe is CVE-2026-28415?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Open Redirect in Gradio-app Gradio

CVE-2026-28415

Gradio is an open-source Python package designed for quick prototyping. Prior to version 6.6.0, the _redirect_to_target() function in Gradio's OAuth flow accepts an unvalidated _target_url query parameter, allowing redirection to arbitrary…

Vulnerability class: Information Disclosure

EPSS: 0.000 (2.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

Affected products

Gradio-app Gradio — versions < 6.6.0

Weakness classification (CWE)

References

https://github.com/gradio-app/gradio/security/advisories/GHSA-pfjf-5gxr-995x (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-28415?: CVE-2026-28415 is a medium-severity vulnerability in Gradio-app Gradio, classified under Information Disclosure. CVSS score: 4.3/10. Published 2026-02-27.
How severe is CVE-2026-28415?: Medium severity. CVSS v3 base score is 4.3 out of 10.