RCE in Azuracast
CVE-2026-100852
AzuraCast before 0.23.8 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 · last modified .
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
EPSS: 0.046 (91.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.037 · newest: 0.046 · change: +0.009
Affected products
Weakness classification (CWE)
References
- GitHub Security Advisory (GHSA-73rf-jp3g-8rcf) (vendor-advisory)
- VulnCheck Advisory: AzuraCast through 0.23.x Command Injection via Streamer Username (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.