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OAuth 2.0 Security Best Current Practice

The information below is for an old version of the document.
Document Type
This is an older version of an Internet-Draft whose latest revision state is "Active".
Expired & archived
Authors Torsten Lodderstedt , John Bradley , Andrey Labunets , Daniel Fett
Last updated 2021-10-15 (Latest revision 2021-04-13)
Replaces draft-lodderstedt-oauth-security-topics
RFC stream Internet Engineering Task Force (IETF)
Additional resources Mailing list discussion
Stream WG state WG Document
Associated WG milestone
Jul 2021
Submit 'OAuth 2.0 Security Best Practice" to IESG
Document shepherd Hannes Tschofenig
IESG IESG state Expired
Consensus boilerplate Yes
Telechat date (None)
Responsible AD (None)
Send notices to Hannes Tschofenig <>

This Internet-Draft is no longer active. A copy of the expired Internet-Draft is available in these formats:


This document describes best current security practice for OAuth 2.0. It updates and extends the OAuth 2.0 Security Threat Model to incorporate practical experiences gathered since OAuth 2.0 was published and covers new threats relevant due to the broader application of OAuth 2.0.


Torsten Lodderstedt
John Bradley
Andrey Labunets
Daniel Fett

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)