The following errata report has been submitted for RFC8693,
"OAuth 2.0 Token Exchange".

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You may review the report below and at:
https://www.rfc-editor.org/errata/eid7511

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Type: Technical
Reported by: Jesse Estum <jesse.es...@gmail.com>

Section: 2.1

Original Text
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Client authentication to the authorization server is done using the 
normal mechanisms provided by OAuth 2.0. Section 2.3.1 of [RFC6749] 
defines password-based authentication of the client, however, client 
authentication is extensible and other mechanisms are possible. For 
example, [RFC7523] defines client authentication using bearer JSON Web 
Tokens (JWTs) [JWT]. The supported methods of client authentication and 
whether or not to allow unauthenticated or unidentified clients are 
deployment decisions that are at the discretion of the authorization 
server.

Corrected Text
--------------
Client authentication to the authorization server is done using the 
normal mechanisms provided by OAuth 2.0. Section 2.3.1 of [RFC6749] 
defines password-based authentication of the client, however, client 
authentication is extensible and other mechanisms are possible. The 
supported methods of client authentication and whether or not to allow 
unauthenticated or unidentified clients are deployment decisions that 
are at the discretion of the authorization server. 

Notes
-----
The specific example of authentication with RFC7523 would require "grant_type" 
value of "urn:ietf:params:oauth:grant-type:jwt-bearer", however this directly 
conflicts with RFC8693 as it requires "grant_type" value of 
"urn:ietf:params:oauth:grant-type:token-exchange".

Instructions:
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RFC8693 (draft-ietf-oauth-token-exchange-19)
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Title               : OAuth 2.0 Token Exchange
Publication Date    : January 2020
Author(s)           : M. Jones, A. Nadalin, B. Campbell, Ed., J. Bradley, C. 
Mortimore
Category            : PROPOSED STANDARD
Source              : Web Authorization Protocol
Area                : Security
Stream              : IETF
Verifying Party     : IESG

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