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CVE-2026-82648

WWBN AVideo SSRF Filter Bypass via NAT64 Hex Address

HIGH
7.1
CVSS Score
Published: August 30, 2026 at 02:33 PM UTC
Updated: September 2, 2026 at 04:17 PM UTC
1 product affected across 1 vendorAVideo

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Severity
HIGH7.1
Exploit prediction
EPSS 0.3%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

AVideo· Wwbn
95%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Vendor Advisory
Source: cverecord
https://github.com/WWBN/AVideo/security/advisories/GHSA-88jm-rxg9-3v5r
Third Party Advisory
Source: cverecord
https://www.vulncheck.com/advisories/wwbn-avideo-ssrf-filter-bypass-via-nat64-hex-address

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.1HIGHVulnCheck
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-20

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