To download the release go to Keycloak downloads. Highlights Security issue with PAR clients using client_secret_post based authentication This release contains the fix of the important security issue affecting some OIDC confidential clients using PAR (Pushed authorization request). In case you use OIDC confidential clients together with PAR and you use client authentication based on client_id and client_secret sent as parameters in the HTTP request body (method client_secret_post specified i...