High severity · published Jul 16, 2026
CVE-2026-63305
AVideo through 29.0 OS Command Injection via ffmpeg.json.php
8.1
CVSS
1.8%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.8% · higher than 78% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AV
AVideo · WWBN
through 29.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-63305
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-63305
github.com
https://github.com/WWBN/AVideo/security/advisories/GHSA-g9x9-q7qj-6mv5
www.vulncheck.com
https://www.vulncheck.com/advisories/avideo-through-os-command-injection-via-ffmpeg-json-php
More from AVideo
10.0
CVE-2026-40911
WWBN AVideo YPTSocket WebSocket Broadcast Relay Leads to Unauthenticated Cross-User JavaScript Execution via Client-Side eval() Sinks
10.0
CVE-2026-33478
AVideo Multi-Chain Attack: Unauthenticated Remote Code Execution via Clone Key Disclosure, Database Dump, and Command Injection
9.9
CVE-2022-30547
A directory traversal vulnerability exists in the unzipDirectory functionality of WWBN AVideo 11.6 and dev master commit 3f7c0364
9.8
CVE-2026-86189
WWBN AVideo Unauthenticated Path Traversal via notify.ffmpeg.json.php
9.8
CVE-2026-85154
WWBN AVideo Authentication Bypass via Non-Expiring video_id_hash