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#1000 #100daysofsolana #100daysofsolona #2026 #a11y #accountability #achievement #activator #actors #adaptive #adopting

DEVMay 4, 2026 · 6h ago

A superscript-1 walks past every Go SSRF guard

TL;DR. golang.org/x/net/idna.Lookup.ToASCII runs UTS-46 NFKC mapping 0-9. A pre-IDNA net.ParseIP check rejects the NO_PROXY lists, TLS-SNI routers, and cookie-domain validators that TrimRight + ParseAddr golang.org/x/net/http/httpproxy, the canonical safe pattern, and two I ran into this one while writing a Go HTTP client for a private project. I idna.Lookup.ToASCII canonicalising the host The sha

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DEVMay 3, 2026 · 21h ago

JWT verification in production: an 8-check field guide

A correct JWT verifier does eight things. Most production verifiers I have read do four or five of them. The other three or four get skipped because the library defaults aren't loud about them, the docs gloss over them, or someone copied a "it works" snippet from Stack Overflow circa 2018. Here is the full eight-check list, what each one prevents, and what it looks like to implement them with stru

#jwt#oidc#security#deved