RCE in Azuracast
CVE-2026-100856
AzuraCast before 0.23.6 contains a code injection vulnerability in the remote relay password field due to incomplete migration from the vulnerable cleanUpString method to toRawString. Attackers with RemoteRelays station permission can inject nested Liquidsoap interpolation syntax to execute arbitrary code in the Liquidsoap process, disclose internal API keys, or disrupt station operation.
Vulnerability class: RCE (Remote Code Execution)
Published .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
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-q4ph-8x8g-95f8 (vendor-advisory)
- www.vulncheck.com/advisories/azuracast-before-0.23.6-code-injection-via-remote-… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-100856?
- CVE-2026-100856 is a high-severity vulnerability in Azuracast, classified under Code Injection. CVSS score: 8.8/10. Published 2026-09-27.
- How severe is CVE-2026-100856?
- High severity. CVSS v3 base score is 8.8 out of 10.