CVE-2026-63304 AVideo through 29.0 OS Command Injection via listFFmpegProcesses

Critical 9.2 Published Updated

Attackers can execute arbitrary OS commands via unsanitized parameters in the listFFmpegProcesses function of AVideo.

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

What is CVE-2026-63304?

CVE-2026-63304 is a critical command injection vulnerability in WWBN AVideo, published on 16 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

AVideo through 29.0 contains an OS command injection vulnerability in plugin/API/standAlone/functions.php where the listFFmpegProcesses() function interpolates unsanitized keyword parameters inside single quotes without escaping. Attackers who can craft a valid encrypted codeToExec payload can break out of the single-quoted grep context and execute arbitrary OS commands as the web-server user.

Weakness: CWE-78

Which versions are affected by CVE-2026-63304?

How do I fix CVE-2026-63304?

No fix has been published for CVE-2026-63304 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-2026-63304 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-63304 exists.

Sources

Also known as GHSA-j44m-77cc-p3cc, GHSA-jjpq-qx77-qjwj.

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