@techreport{ietf-oauth-rfc7523bis-11, number = {draft-ietf-oauth-rfc7523bis-11}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-ietf-oauth-rfc7523bis/11/}, author = {Michael B. Jones and Brian Campbell and Chuck Mortimore and Filip Skokan}, title = {{Updates to OAuth 2.0 JSON Web Token (JWT) Client Authentication and Assertion-Based Authorization Grants}}, pagetotal = 16, year = 2026, month = apr, day = 28, abstract = {This document updates RFC7521, RFC7522, RFC7523 and RFC9126 with respect to the treatment of audience values in OAuth 2.0 Client Assertion Authentication and Assertion-based Authorization Grants to address a security vulnerability identified in the previous requirements for those audience values in multiple OAuth 2.0 specifications.}, }