CVE-2026-63305 AVideo through 29.0 OS Command Injection via ffmpeg.json.php
Attackers can execute arbitrary OS commands via the ffmpeg.json.php endpoint by injecting shell metacharacters into encrypted payload parameters.
- 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-2026-63305?
CVE-2026-63305 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 the ffmpeg.json.php endpoint where notifyCode and callback parameters are concatenated into a shell command without escaping. Attackers who can craft a valid encrypted payload can inject arbitrary shell metacharacters into these fields to execute OS commands as the web-server user.
Weakness: CWE-78
Which versions are affected by CVE-2026-63305?
How do I fix CVE-2026-63305?
No fix has been published for CVE-2026-63305 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-2026-63305 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-63305 exists.
Sources
Also known as GHSA-g9x9-q7qj-6mv5, GHSA-jrxj-9mhw-55wc.