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CVE-2026-23877— Directory Traversal & Filesystem can be accessed by a non-admin user

Quick assessment

Affected
swingmx swingmusic
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

swingmusic是Swing Music开源的一个本地音乐播放器。 swingmusic 2.1.4之前版本存在访问控制错误漏洞，该漏洞源于/folder/dir-browser端点中的list_folders函数存在目录遍历漏洞，可能导致任何经过身份验证的用户浏览服务器文件系统上的任意目录。

AI Predicted 6.5 Difficulty: Easy EPSS 0.52% · P42

Possible ATT&CK Techniques 1 AI

T1083 · File and Directory Discovery
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I. Basic Information for CVE-2026-23877

Vulnerability Information
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Vulnerability Title
Directory Traversal & Filesystem can be accessed by a non-admin user
Source: CVE Program / CVE List V5
Vulnerability Description
Swing Music is a self-hosted music player for local audio files. Prior to version 2.1.4, Swing Music's `list_folders()` function in the `/folder/dir-browser` endpoint is vulnerable to directory traversal attacks. Any authenticated user (including non-admin) can browse arbitrary directories on the server filesystem. Version 2.1.4 fixes the issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
路径遍历：’/../filedir’
Source: CVE Program / CVE List V5
Vulnerability Title
swingmusic 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
swingmusic是Swing Music开源的一个本地音乐播放器。 swingmusic 2.1.4之前版本存在访问控制错误漏洞，该漏洞源于/folder/dir-browser端点中的list_folders函数存在目录遍历漏洞，可能导致任何经过身份验证的用户浏览服务器文件系统上的任意目录。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
swingmx swingmusic < 2.1.4 -

II. Public POCs for CVE-2026-23877

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III. Intelligence Information for CVE-2026-23877

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Vendor Advisories for CVE-2026-23877 (1)

IV. Related Vulnerabilities

Same weakness: CWE-25

V. Comments for CVE-2026-23877

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