Auth bypass in Azuracast
CVE-2026-100855
AzuraCast before 0.23.6 contains a missing permission check vulnerability in the GET /api/station/{station_id}/file/{id}/play endpoint that allows authenticated users to download media files from any station. Attackers can enumerate media files using sequential IDs and exfiltrate the complete media library of stations they lack permissions for.
Vulnerability class: Broken Access Control
Published .
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:H/I:N/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/AzuraCast/AzuraCast/security/advisories/GHSA-qff7-q5fm-8p76 (vendor-advisory)
- www.vulncheck.com/advisories/azuracast-before-0.23.6-missing-permission-check-v… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-100855?
- CVE-2026-100855 is a medium-severity vulnerability in Azuracast, classified under Missing Authorization. CVSS score: 6.5/10. Published 2026-09-27.
- How severe is CVE-2026-100855?
- Medium severity. CVSS v3 base score is 6.5 out of 10.