CVE-2026-82648
WWBN AVideo SSRF Filter Bypass via NAT64 Hex Address
- State
- Published
- Severity
- 7.1 High
- Published
- Aug 30, 2026
- Updated
- Sep 2, 2026
- Reserved
- Aug 30, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 7.1 High | CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N | VulnCheck |
| 3.1 | 7.1 High | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N | VulnCheck |
Weaknesses
- CWE-20 Improper Input Validation
Affected Products
| Product | Versions |
|---|---|
AVideoWWBN |
References
- GitHub Security Advisory (GHSA-88jm-rxg9-3v5r)vendor-advisory
- VulnCheck Advisory: WWBN AVideo SSRF Filter Bypass via NAT64 Hex Addressthird-party-advisory
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