CVE-2026-63305

EUVD-2026-44914
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.
OS Command Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
VulnCheckCNA
8.1 HIGH
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
wwbnavideo
𝑥
≤ 29.0
CNA
Common Weakness Enumeration
References
https://github.com/WWBN/AVideo/security/advisories/GHSA-g9x9-q7qj-6mv5
https://www.vulncheck.com/advisories/avideo-through-os-command-injection-via-ffmpeg-json-php