What is CVE-2026-100854?

CVE-2026-100854 is a medium-severity vulnerability in Azuracast, classified under Missing Authorization. CVSS score: 6.3/10. Published 2026-09-27.

How severe is CVE-2026-100854?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Auth bypass in Azuracast

CVE-2026-100854

AzuraCast before 0.23.6 lacks RequireInternalConnection middleware on the Liquidsoap API endpoint and incorrectly derives the AutoDJ flag from header presence rather than validated value. Users with View station permission can inject arbitrary now-playing metadata, disrupt live broadcasts, and disclose filesystem paths.

Vulnerability class: Broken Access Control

Published 2026-09-27.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

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

Azuracast

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

github.com/AzuraCast/AzuraCast/security/advisories/GHSA-4fm3-ggg2-c6qx (vendor-advisory)
www.vulncheck.com/advisories/azuracast-before-0.23.6-metadata-injection-via-liq… (third-party-advisory)

Frequently asked questions

What is CVE-2026-100854?: CVE-2026-100854 is a medium-severity vulnerability in Azuracast, classified under Missing Authorization. CVSS score: 6.3/10. Published 2026-09-27.
How severe is CVE-2026-100854?: Medium severity. CVSS v3 base score is 6.3 out of 10.