How to fix Authentik 2026.8 treating HTTPS as HTTP behind a reverse proxy
Authentik 2026.8 only accepts X-Forwarded-Proto, X-Forwarded-Host and X-Forwarded-For when the connection comes from a network listed in AUTHENTIK_LISTEN__TRUSTED_PROXY_CIDRS. If your reverse proxy sits outside the default private ranges, Authentik treats the request as HTTP and login breaks. Add the proxy's IP or network to that variable and restart.