CVE-2026-72748

AVideo Unauthenticated Arbitrary File Write via aVideoEncoderChunk.json.php

Published Aug 11, 2026 CVSS 4.0 · 6.9 Medium EPSS 1.2% KEV · Not listed
Description
AVideo contains an unauthenticated arbitrary file write vulnerability in the aVideoEncoderChunk.json.php endpoint that allows remote attackers to write up to 4 GB of arbitrary content to the server filesystem via HTTP PUT requests without authentication. Attackers can exhaust disk space causing denial of service, poison the video encoding pipeline, or chain this with local file inclusion to achieve remote code execution.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description AVideo contains an unauthenticated arbitrary file write vulnerability in the aVideoEncoderChunk.json.php endpoint that allows remote attackers to write up to 4 GB of arbitrary content to the server filesystem via HTTP PUT requests without authentication. Attackers can exhaust disk space causing denial of service, poison the video encoding pipeline, or chain this with local file inclusion to achieve remote code execution.
Title AVideo Unauthenticated Arbitrary File Write via aVideoEncoderChunk.json.php
First Time appeared Wwbn
Wwbn avideo
Weaknesses CWE-306
CPEs cpe:2.3:a:wwbn:avideo:14.2:*:*:*:*:*:*:*
cpe:2.3:a:wwbn:avideo:14.3.1:*:*:*:*:*:*:*
cpe:2.3:a:wwbn:avideo:14.3:*:*:*:*:*:*:*
cpe:2.3:a:wwbn:avideo:14.4:*:*:*:*:*:*:*
cpe:2.3:a:wwbn:avideo:18.0:*:*:*:*:*:*:*
cpe:2.3:a:wwbn:avideo:21.0:*:*:*:*:*:*:*
cpe:2.3:a:wwbn:avideo:22.0:*:*:*:*:*:*:*
cpe:2.3:a:wwbn:avideo:24.0:*:*:*:*:*:*:*
cpe:2.3:a:wwbn:avideo:25.0:*:*:*:*:*:*:*
cpe:2.3:a:wwbn:avideo:26.0:*:*:*:*:*:*:*
cpe:2.3:a:wwbn:avideo:29.0:*:*:*:*:*:*:*
Vendors & Products Wwbn
Wwbn avideo
References
Metrics cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Aug 11, 2026, 2:12 PM
Reserved
Aug 10, 2026, 1:53 PM
Status
Deferred
Published
Aug 11, 2026, 1:19 PM
Modified
Oct 24, 2026, 3:10 PM