What is CVE-2026-100852?

CVE-2026-100852 is a high-severity vulnerability in Azuracast, classified under OS Command Injection. CVSS score: 8.8/10. Published 2026-09-27.

How severe is CVE-2026-100852?

High severity. CVSS v3 base score is 8.8 out of 10.

RCE in Azuracast

CVE-2026-100852

AzuraCast through 0.23.x contains a command injection vulnerability in the Liquidsoap config generation for live recording that fails to quote the streamer username in process.run calls. Authenticated station users with Streamers and Profile permissions can set a username containing shell metacharacters and trigger command execution as the Liquidsoap process user when recording closes.

Vulnerability class: Command Injection (OS Command Injection)

Published 2026-09-27.

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

Azuracast

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

github.com/AzuraCast/AzuraCast/security/advisories/GHSA-73rf-jp3g-8rcf (vendor-advisory)
www.vulncheck.com/advisories/azuracast-through-0.23-x-command-injection-via-str… (third-party-advisory)

Frequently asked questions

What is CVE-2026-100852?: CVE-2026-100852 is a high-severity vulnerability in Azuracast, classified under OS Command Injection. CVSS score: 8.8/10. Published 2026-09-27.
How severe is CVE-2026-100852?: High severity. CVSS v3 base score is 8.8 out of 10.