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CVE-2026-33719— AVideo Vulnerable to Unauthenticated CDN Configuration Takeover via Empty Default Key Bypass and Mass-Assignment in status.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团队的一个由PHP编写的视频平台建站系统。 WWBN AVideo 26.0及之前版本存在访问控制错误漏洞，该漏洞源于CDN插件的status.json.php和disable.json.php端点使用默认空密钥进行身份验证，可能导致未经身份验证的攻击者修改完整的CDN配置。

CVSS 8.6 · High EPSS 0.49% · P41
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I. Basic Information for CVE-2026-33719

Vulnerability Information
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Vulnerability Title
AVideo Vulnerable to Unauthenticated CDN Configuration Takeover via Empty Default Key Bypass and Mass-Assignment in status.json.php
Source: CVE Program / CVE List V5
Vulnerability Description
WWBN AVideo is an open source video platform. In versions up to and including 26.0, the CDN plugin endpoints `plugin/CDN/status.json.php` and `plugin/CDN/disable.json.php` use key-based authentication with an empty string default key. When the CDN plugin is enabled but the key has not been configured (the default state), the key validation check is completely bypassed, allowing any unauthenticated attacker to modify the full CDN configuration — including CDN URLs, storage credentials, and the authentication key itself — via mass-assignment through the `par` request parameter. Commit adeff0a31ba04a56f411eef256139fd7ed7d4310 contains a patch.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
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 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WWBN AVideo是WWBN团队的一个由PHP编写的视频平台建站系统。 WWBN AVideo 26.0及之前版本存在访问控制错误漏洞，该漏洞源于CDN插件的status.json.php和disable.json.php端点使用默认空密钥进行身份验证，可能导致未经身份验证的攻击者修改完整的CDN配置。
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 <= 26.0 -

II. Public POCs for CVE-2026-33719

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III. Intelligence Information for CVE-2026-33719

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Patches & Fixes for CVE-2026-33719 (1)

Vendor Advisories for CVE-2026-33719 (1)

Same Patch Batch · WWBN · 2026-03-23 · 34 CVEs total

CVE-2026-33478 10.0 CRITICAL AVideo Multi-Chain Attack: Unauthenticated Remote Code Execution via Clone Key Disclosure,
CVE-2026-33352 9.8 CRITICAL AVideo has an Unauthenticated SQL Injection via `doNotShowCats` Parameter (Backslash Escap
CVE-2026-33716 9.4 CRITICAL AVideo Allows Unauthenticated Live Stream Control via Token Verification URL Override in c
CVE-2026-33502 9.3 CRITICAL AVideo has Unauthenticated SSRF via plugin/Live/test.php
CVE-2026-33351 9.1 CRITICAL AVideo has Unauthenticated SSRF via `webSiteRootURL` Parameter in saveDVR.json.php, Chaini
CVE-2026-33479 8.8 HIGH AVideo has PHP Code Injection via eval() in Gallery saveSort.json.php Exploitable Through
CVE-2026-33717 8.8 HIGH AVideo Vulnerable to Remote Code Execution via Persistent PHP Temp File in Encoder downloa
CVE-2026-33648 8.8 HIGH AVideo Vulnerable to OS Command Injection via Unsanitized `users_id` and `liveTransmitionH
CVE-2026-33647 8.8 HIGH AVideo Vulnerable to Remote Code Execution via MIME/Extension Mismatch in ImageGallery Fil
CVE-2026-33507 8.8 HIGH AVideo Affected by CSRF on Plugin Import Endpoint Enables Unauthenticated Remote Code Exec
CVE-2026-33480 8.6 HIGH AVideo has a SSRF Protection Bypass via IPv4-Mapped IPv6 Addresses in Unauthenticated Live
CVE-2026-33513 8.6 HIGH AVideo has an Unauthenticated Local File Inclusion in API locale (RCE possible with writab
CVE-2026-33482 8.1 HIGH AVideo has an OS Command Injection via $() Shell Substitution Bypass in sanitizeFFmpegComm
CVE-2026-33649 8.1 HIGH AVideo's GET-Based CSRF in setPermission.json.php Enables Privilege Escalation via Arbitra
CVE-2026-33651 8.1 HIGH AVideo has a Blind SQL Injection in Live Schedule Reminder via Unsanitized live_schedule_i
CVE-2026-33354 7.6 HIGH AVideo has an authenticated arbitrary local file read via `chunkFile` path injection in `a
CVE-2026-33650 7.6 HIGH AVideo's Video Moderator Privilege Escalation via Ownership Transfer Enables Arbitrary Vid
CVE-2026-33512 7.5 HIGH AVideo has an unauthenticated decrypt oracle leaking any ciphertext
CVE-2026-33485 7.5 HIGH AVideo has an Unauthenticated Blind SQL Injection in RTMP on_publish Callback via Stream N
CVE-2026-33483 7.5 HIGH AVideo Affected by Unauthenticated Disk Space Exhaustion via Unlimited Temp File Creation

Showing top 20 of 34 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-33719

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