Vulnerability · Published Jul 16, 2026 · Assigned by VulnCheck
CVE-2026-63305AVideo through 29.0 OS Command Injection via ffmpeg.json.php
High 8.1
In plain English
A high-severity OS command injection in AVideo from WWBN. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.8% (higher than 78% of all known vulnerabilities).
Severity (CVSS 3.1)8.1High
Exploit odds (30 days)1.8%top 21.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
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.
Affected products (as reported)
Weakness: CWE-78 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- GitHub Security Advisory (GHSA-g9x9-q7qj-6mv5) vendor-advisory
- VulnCheck Advisory: AVideo through 29.0 OS Command Injection via ffmpeg.json.php third-party-advisory