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CVE-2026-82648— WWBN AVideo SSRF Filter Bypass via NAT64 Hex Address

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组织开源的一个视频分享与内容管理平台。 WWBN AVideo存在输入验证错误漏洞，该漏洞源于isSSRFSafeURL函数未能规范化十六进制形式的NAT64地址，可能导致攻击者绕过SSRF保护，访问云元数据服务和回环接口。

CVSS 7.1 · High EPSS 0.32% · P23

Affected Version Matrix 1

VendorProduct Version RangeStatus
WWBN AVideo any affected
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I. Basic Information for CVE-2026-82648

Vulnerability Information
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Vulnerability Title
WWBN AVideo SSRF Filter Bypass via NAT64 Hex Address
Source: CVE Program / CVE List V5
Vulnerability Description
WWBN AVideo contains a server-side request forgery filter bypass vulnerability in the isSSRFSafeURL function that fails to normalize NAT64 addresses written in hexadecimal form. Attackers can bypass SSRF protections by supplying hex-encoded NAT64 addresses like 64:ff9b::a9fe:a9fe to reach cloud metadata services and loopback interfaces.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
WWBN AVideo 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WWBN AVideo是WWBN组织开源的一个视频分享与内容管理平台。 WWBN AVideo存在输入验证错误漏洞，该漏洞源于isSSRFSafeURL函数未能规范化十六进制形式的NAT64地址，可能导致攻击者绕过SSRF保护，访问云元数据服务和回环接口。
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 - -

II. Public POCs for CVE-2026-82648

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III. Intelligence Information for CVE-2026-82648

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Vendor Advisories for CVE-2026-82648 (2)

Same Patch Batch · WWBN · 2026-08-30 · 6 CVEs total

CVE-2026-82645 8.6 HIGH AVideo Unauthenticated Stream Credential Disclosure via Forgeable Token
CVE-2026-82644 7.5 HIGH WWBN AVideo Brute-force Rate Limiting Bypass via Missing User-Agent
CVE-2026-82643 6.5 MEDIUM WWBN AVideo Unauthenticated Rate Limit Bypass via preauthorize.json.php
CVE-2026-82646 6.1 MEDIUM WWBN AVideo Unauthenticated Reflected XSS via url2Embed.json.php
CVE-2026-82647 6.1 MEDIUM WWBN AVideo Cross-Site Request Forgery via sendEmail.json.php

IV. Related Vulnerabilities

Same product: AVideo
Same vendor: WWBN
Same weakness: CWE-20

V. Comments for CVE-2026-82648

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