Missing Authentication for Critical Function in AVideo - CVE-2026-34731
Published: April 8, 2026
Vulnerability identifier: #VU125498
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-34731
CWE-ID: CWE-306
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: World Wide Broadcast Network
Affected software:
AVideo
AVideo
Detailed vulnerability description
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to missing authentication for critical function in the on_publish_done.php endpoint in the Live plugin when handling RTMP callback requests. A remote attacker can send a crafted POST request with a stream key to cause a denial of service.
Active stream keys can be enumerated through the unauthenticated stats.json.php endpoint.
How to mitigate CVE-2026-34731
Install security update from vendor's website.