Navidrome has authentication bypass in Subsonic API with non-existent username

Navidrome is an open source web-based music collection server and streamer. Starting in version 0.52.0 and prior to version 0.54.5, in certain Subsonic API endpoints, a flaw in the authentication check process allows an attacker to specify any arbitrary username that does not exist on the system, along with a salted hash of an empty password. Under these conditions, Navidrome treats the request as authenticated, granting access to various Subsonic endpoints without requiring valid credentials. An attacker can use any non-existent username to bypass the authentication system and gain access to various read-only data in Navidrome, such as user playlists. However, any attempt to modify data fails with a "permission denied" error due to insufficient permissions, limiting the impact to unauthorized viewing of information. Version 0.54.5 contains a patch for this issue.

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认证机制不恰当

Navidrome 授权问题漏洞

Navidrome是Navidrome开源的一个基于 Web 的开源音乐收集服务器和流媒体。用于自由地从任何浏览器或移动设备收听音乐收藏。 Navidrome 0.52.0版本至0.54.5之前版本存在授权问题漏洞，该漏洞源于身份验证不当。攻击者利用该漏洞可以访问各种只读数据。

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