Auth bypass in Azuracast
CVE-2026-121430
AzuraCast before 0.24.0 contains a missing authorization vulnerability in the GET and POST /api/station/{station_id}/waveform/{media_id} routes, which lack Permissions middleware. Any authenticated user without station assignment can read another station's cached waveform JSON and overwrite it with attacker-supplied data, corrupting Visual Cue Editor data.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/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-q3x9-qgv6-hgq3 (vendor-advisory)
- www.vulncheck.com/advisories/azuracast-before-0.24.0-missing-authorization-via-… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-121430?
- CVE-2026-121430 is a medium-severity vulnerability in Azuracast, classified under Missing Authorization. CVSS score: 5.4/10. Published 2026-11-03.
- How severe is CVE-2026-121430?
- Medium severity. CVSS v3 base score is 5.4 out of 10.