Allocation of Resources Without Limits or Throttling in AVideo - CVE-2026-33483
Published: April 8, 2026
Vulnerability identifier: #VU125457
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-2026-33483
CWE-ID: CWE-770
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 allocation of resources without limits or throttling in the objects/aVideoEncoderChunk.json.php endpoint when handling arbitrary POST data. A remote attacker can send specially crafted requests with large request bodies to cause a denial of service.
The endpoint is accessible without authentication, created temporary files persist without cleanup, and the response discloses the full temporary file path.
How to mitigate CVE-2026-33483
Install security update from vendor's website.