CVE-2026-82648

Summary

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 Software

Weaknesses

• CWE-20: Improper Input Validation

References

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

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