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# Which Problems Are Solved ZITADEL uses the notification triggering requests Forwarded or X-Forwarded-Proto header to build the button link sent in emails for confirming a password reset with the emailed code. If this header is overwritten and a user clicks the link to a malicious site in the email, the secret code can be retrieved and used to reset the users password and take over his account. Accounts with MFA or Passwordless enabled can not be taken over by this attack. # How the Problems Are Solved - The `X-Forwarded-Proto` and `proto` of the Forwarded headers are validated (http / https). - Additionally, when exposing ZITADEL through https. An overwrite to http is no longer possible. # Additional Changes None # Additional Context None (cherry picked from commit c097887bc5f680e12c998580fb56d98a15758f53)