webauthn

  • 15th July 2026

Registering a YubiKey with Self-hosted Vaultwarden Behind Cloudflare Tunnel

vaultwarden yubikey webauthn fido2 cloudflare-tunnel zimaos zimaboard selfhosting security sponsored

Why WebAuthn fails on a self-hosted Vaultwarden instance, and how to tell a server-side domain problem apart from a browser-side one.

Read more →