What’s Vulnerable › Vulnerabilities

CVE-2026-59806: Gradio < 6.20.0 - Open Redirect and SSRF via /gradio_api/file= endpoint

• Severity: high (CVSS 7.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-08 · updated 2026-10-25
• Weakness: CWE-601

Description

Gradio before 6.20.0 contains an open redirect and server-side request forgery vulnerability that allows attackers to redirect users to arbitrary URLs or perform client-side SSRF by supplying unvalidated HTTP/HTTPS URLs to the file_fetch() function in the /gradio_api/file= endpoint. Attackers can craft a malicious FileData response targeting internal endpoints such as cloud metadata services to retrieve sensitive credentials including EC2 IAM role credentials.

Affected products

• gradio-app gradio: before 6.20.0 — fixed in 6.20.0

How to fix

Upgrade to a fixed version: gradio-app gradio 6.20.0. Check the vendor advisory for mitigations.

References

• https://github.com/gradio-app/gradio/commit/1c5c53842df9c2750552d85c19a92e7e732cff3f
• https://github.com/gradio-app/gradio/issues/13593
• https://github.com/gradio-app/gradio/pull/13596
• https://github.com/gradio-app/gradio/releases/tag/gradio%406.20.0
• https://www.vulncheck.com/advisories/gradio-open-redirect-and-ssrf-via-gradio-api-file-endpoint

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