Vulnerability Description
AVideo before 24.0 contains a server-side request forgery vulnerability in the isSSRFSafeURL function that fails to extract embedded IPv4 addresses from NAT64, 6to4, and Teredo IPv6 transition address formats. Unauthenticated attackers can bypass SSRF protections via the LiveLinks proxy endpoint to reach internal services and cloud metadata endpoints by encoding private IPv4 targets in transition address formats.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/WWBN/AVideo/security/advisories/GHSA-474r-333v-6p93
- https://www.vulncheck.com/advisories/avideo-ssrf-guard-bypass-via-ipv6-transitio
- https://github.com/WWBN/AVideo/security/advisories/GHSA-474r-333v-6p93
FAQ
What is CVE-2026-81678?
CVE-2026-81678 is a vulnerability with a CVSS score of 7.5 (HIGH). AVideo before 24.0 contains a server-side request forgery vulnerability in the isSSRFSafeURL function that fails to extract embedded IPv4 addresses from NAT64, 6to4, and Teredo IPv6 transition address...
How severe is CVE-2026-81678?
CVE-2026-81678 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-81678?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.