# CVE-2026-23877

## Summary

- **CVE ID:** CVE-2026-23877
- **Severity:** MEDIUM
- **CVSS Score:** 5.3 (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)
- **CWE:** CWE-25, CWE-284
- **Published:** Jan 19, 2026
- **Last Modified:** Mar 12, 2026

## 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.

## Affected Products

- swingmx — swingmusic (< 2.1.4)

## References

- [CNA](https://github.com/swingmx/swingmusic/security/advisories/GHSA-pj88-9xww-gxmh)
- [CNA](https://github.com/swingmx/swingmusic/commit/9a915ca62af1502b9550722df82f5d432cb73de3)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.53%
- **EPSS Percentile:** 43.3

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-12._