arkadiyt-projects: SSRF Filter Bypass via Unblocked NAT64 Local-Use IPv6 Prefix (64:ff9b:1::/48)

A vulnerability was discovered in the ssrffilter library version 1.3.0. The library failed to block the NAT64 local-use IPv6 prefix 64:ff9b:1::/48, allowing such addresses to be treated as public. This enabled SSRF requests through /fetch to targets encoded under that prefix when routable in the...