CVE-2026-100852 AzuraCast before 0.23.8 Command Injection via Streamer Username

High 8.7 Published Updated

Authenticated users can inject shell commands via streamer usernames, leading to code execution on the server.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-100852?

CVE-2026-100852 is a high-severity command injection vulnerability in AzuraCast, published on 27 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

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.

Weakness: CWE-78

Which versions are affected by CVE-2026-100852?

How do I fix CVE-2026-100852?

No fix has been published for CVE-2026-100852 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2026-100852 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-100852 exists.

Sources

Also known as GHSA-73rf-jp3g-8rcf, GHSA-cj27-w6j8-3fpw.

Is CVE-2026-100852 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free