Auth bypass in Navidrome

CVE-2025-48948

Navidrome is an open source web-based music collection server and streamer. A permission verification flaw in versions prior to 0.56.0 allows any authenticated regular user to bypass authorization checks and perform administrator-only transcoding configuration operations, including creating, modifying, and deleting transcoding settings. In the threat model where administrators are trusted but regular users are not, this vulnerability represents a significant security risk when transcoding is enabled. Version 0.56.0 patches the issue.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.005 (39.7th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 39.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-48948: held from 0.005 to 0.005.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-48948?
CVE-2025-48948 is a medium-severity vulnerability in Navidrome, classified under Incorrect Authorization. CVSS score: 6.5/10. Published 2025-05-30.
How severe is CVE-2025-48948?
Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2025-48948 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.