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* fix(community): refuse non-global addresses in the shared SSRF guard is_blocked_address ORed is_private, is_loopback, is_link_local, is_reserved, is_multicast and is_unspecified. None of them covers the 100.64.0.0/10 shared address space, which holds CGNAT and Tailscale hosts and Alibaba Cloud's 100.100.100.200 instance metadata endpoint, so web_fetch, web_capture, the agentic browser and personal MCP connections could reach it, including through the IPv4-mapped ::ffff:100.100.100.200 form a DNS answer can carry. Also refuse any address that is not is_global, the classification the repo's other SSRF filters already use. Keep the existing flags alongside it: some non-public forms still report is_global, such as the NAT64 spelling of a metadata address (64:ff9b::a9fe:a9fe) and 224.0.0.1, so an is_global-only check would newly allow them. * docs(changelog): reference #6202 in the shared address space entry * test(community): pin the IPv4-mapped metadata spelling at the web_fetch and personal MCP entry points --------- Co-authored-by: Willem Jiang <willem.jiang@gmail.com>