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.
Published: 2026-08-11
Score: 6.9 Medium
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Tue, 11 Aug 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Tue, 11 Aug 2026 12:30:00 +0000

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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-08-11T14:12:04.222Z

Reserved: 2026-08-10T13:53:42.482Z

Link: CVE-2026-72748

cve-icon Vulnrichment

Updated: 2026-08-11T14:08:59.188Z

cve-icon NVD

Status : Received

Published: 2026-08-11T13:19:05.813

Modified: 2026-08-11T15:17:35.623

Link: CVE-2026-72748

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses