Missing Authentication for Critical Function in AVideo - CVE-2026-33038
Published: April 8, 2026
Vulnerability identifier: #VU125441
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2026-33038
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 gain full administrative access to the application.
The vulnerability exists due to missing authentication for critical function in install/checkConfiguration.php when processing unauthenticated POST requests on uninitialized deployments. A remote attacker can send a specially crafted POST request to gain full administrative access to the application.
Exploitation is possible only when the deployment is in an uninitialized state and videos/configuration.php does not yet exist.
How to mitigate CVE-2026-33038
Install security update from vendor's website.