CVE-2026-59806
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.
Weakness
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.
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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