Best of 2026

The blog posts Hacker News loved most in 2026. 717 posts.

Security & Privacy
269

SAML: A fractal of bad design

SAML, the XML-based authentication protocol that birthed the SSO industry, is fundamentally flawed due to XML complexity, canonicalization issues, enveloped signatures, and design ossification, making it vulnerable to signature wrapping attacks and parser differentials that persist despite decades of awareness…