CSP for shadcn/ui: Nonces, Hashes, and Real Tradeoffs

shadcn/ui gives you a weird CSP problem compared to most component libraries: it is not really a library in the classic sense. You copy components into your app, own the code, and then your CSP story becomes your problem. That is good for flexibility, but it also means there is no single “shadcn/ui CSP policy.” The right policy depends on how you render styles, whether you use theme scripts, whether you pull in analytics, and whether your app is static, SSR, or edge-rendered. ...

June 16, 2026 · 7 min · headertest.com