Agent security
SSRF: your AI agent's URL tool can reach your internal network (Node)
If your agent has a tool that takes a URL, the model chooses where your server connects. Measured end to end on Node 24 with no dependencies and no API key: the guard most people write fails four ways, including the IPv4-mapped IPv6 bypass behind CVE-2026-56266, which also defeated the first version of my own hardened guard.
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