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GHSA-RJG7-R26H-CFP2 Koel: Full-read SSRF via podcast enclosure URL: isPublicHost() filter_var guard does not reject NAT64 (64:ff9b::/96) or 6to4 (2002::/16) IPv6-transition wrappers of internal IPv4

🗓️ 15 Jul 2026 18:21:39Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 2 Views

Koel SSRF via enclosure URL; NAT64/6to4 wrappers bypass public host check, exposing internal endpoints.

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