CVE-2026-33027— Nginx UI: Improper Path Validation Allows Recursive Deletion of the Nginx Configuration Directory

Nginx UI: Improper Path Validation Allows Recursive Deletion of the Nginx Configuration Directory

Nginx UI is a web user interface for the Nginx web server. Prior to version 2.3.4, the nginx-ui configuration improperly handles URL-encoded traversal sequences. When specially crafted paths are supplied, the backend resolves them to the base Nginx configuration directory and executes the operation on the base directory (/etc/nginx). In particular, this allows an authenticated user to remove the entire /etc/nginx directory, resulting in a partial Denial of Service. This issue has been patched in version 2.3.4.

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对路径名的限制不恰当(路径遍历)

Nginx UI 安全漏洞

Nginx UI是Jacky个人开发者的一个 Nginx 的 WebUI。 Nginx UI 2.3.4之前版本存在安全漏洞，该漏洞源于配置不当处理URL编码的遍历序列，可能导致经过身份验证的用户删除整个/etc/nginx目录，造成部分拒绝服务。

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