Improper access control in AVideo - CVE-2026-34733
Published: April 8, 2026
Vulnerability identifier: #VU125496
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-34733
CWE-ID: CWE-284
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 delete files and disclose sensitive information.
The vulnerability exists due to improper access control in install/deleteSystemdPrivate.php when handling HTTP requests to the CLI-only endpoint. A remote attacker can send a specially crafted request to delete files and disclose sensitive information.
The issue is caused by a PHP operator precedence bug in the CLI guard, and repeated requests can interfere with temp-dependent operations.
How to mitigate CVE-2026-34733
Install security update from vendor's website.