{"id":"CVE-2023-6927","details":"A flaw was found in Keycloak. This issue may allow an attacker to steal authorization codes or tokens from clients using a wildcard in the JARM response mode \"form_post.jwt\" which could be used to bypass the security patch implemented to address CVE-2023-6134.","aliases":["GHSA-9vm7-v8wj-3fqw"],"modified":"2026-04-12T10:19:33.287257Z","published":"2023-12-18T23:15:10.027Z","related":["CGA-5xgv-9hhm-mxch"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2024:0094"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2024:0095"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2024:0096"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2024:0097"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2024:0098"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2024:0100"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2024:0101"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2024:0798"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2024:0799"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2024:0800"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2024:0801"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2024:0804"},{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2023-6927"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2255027"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/keycloak/keycloak","events":[{"introduced":"0"},{"last_affected":"e6a274ea0e31c6572e795f3372f006c88122539b"}],"database_specific":{"source":"CPE_FIELD","extracted_events":[{"introduced":"0"},{"last_affected":"7.0"}],"cpe":"cpe:2.3:a:redhat:single_sign-on:7.0:*:*:*:*:*:*:*"}}],"versions":["1.0-alpha-1","1.0-alpha-1-12062013","1.0-alpha-2","1.0-alpha-3","1.0-beta-1","1.0-beta-2","1.0-beta-4","1.0-final","1.0-rc-1","1.0.0.Final","1.1.0.Beta2","1.3.0.Final","2.4.0.Test","7.0.0"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-6927.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}]}