Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2026-72748— AVideo Unauthenticated Arbitrary File Write via aVideoEncoderChunk.json.php

Quick assessment

Affected
WWBN AVideo
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WWBN avideo是WWBN组织开源的一款视频管理与监控平台。 WWBN avideo 29.0版本存在授权问题漏洞，该漏洞源于aVideoEncoderChunk.json.php端点存在未经验证的任意文件写入漏洞，允许远程攻击者通过HTTP PUT请求向服务器文件系统写入最多4GB的任意内容，可能导致拒绝服务，或与本地文件包含漏洞链式利用实现远程代码执行。

CVSS 9.1 · Critical EPSS 0.85% · P56

Affected Version Matrix 1

VendorProduct Version RangeStatus
WWBN AVideo 29.0 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-72748

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
AVideo Unauthenticated Arbitrary File Write via aVideoEncoderChunk.json.php
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
WWBN avideo 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WWBN avideo是WWBN组织开源的一款视频管理与监控平台。 WWBN avideo 29.0版本存在授权问题漏洞，该漏洞源于aVideoEncoderChunk.json.php端点存在未经验证的任意文件写入漏洞，允许远程攻击者通过HTTP PUT请求向服务器文件系统写入最多4GB的任意内容，可能导致拒绝服务，或与本地文件包含漏洞链式利用实现远程代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
WWBN AVideo 29.0 -

II. Public POCs for CVE-2026-72748

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-72748

请登录查看更多情报信息。

Patches & Fixes for CVE-2026-72748 (1)

Vendor Advisories for CVE-2026-72748 (2)

IV. Related Vulnerabilities

Same product: AVideo
Same vendor: WWBN
Same weakness: CWE-306

V. Comments for CVE-2026-72748

No comments yet

Leave a comment