One-level read path traversal in `/custom_component` in Gradio

Gradio is an open-source Python package designed for quick prototyping. This vulnerability involves a **one-level read path traversal** in the `/custom_component` endpoint. Attackers can exploit this flaw to access and leak source code from custom Gradio components by manipulating the file path in the request. Although the traversal is limited to a single directory level, it could expose proprietary or sensitive code that developers intended to keep private. This impacts users who have developed custom Gradio components and are hosting them on publicly accessible servers. Users are advised to upgrade to `gradio>=4.44` to address this issue. As a workaround, developers can sanitize the file paths and ensure that components are not stored in publicly accessible directories.

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对路径名的限制不恰当(路径遍历)

Gradio 路径遍历漏洞

Gradio是一个开源 Python 库，是通过友好的 Web 界面演示机器学习模型的方法。 Gradio存在路径遍历漏洞，该漏洞源于攻击者利用该漏洞可以通过操纵请求中的文件路径来访问和泄露自定义 Gradio 组件的源代码。

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