{"id":"CVE-2024-4540","aliases":[],"url":"https://o3.security/vulnerability/CVE-2024-4540","summary":"A flaw was found in Keycloak in OAuth 2.0 Pushed Authorization Requests (PAR). Client-provided parameters were found to be included in plain text in the KC_RESTART cookie returned by…","details":"A flaw was found in Keycloak in OAuth 2.0 Pushed Authorization Requests (PAR). Client-provided parameters were found to be included in plain text in the KC_RESTART cookie returned by the authorization server's HTTP response to a `request_uri` authorization request, possibly leading to an information disclosure vulnerability.","published":"2024-06-03T16:15:08.993","modified":"2026-06-17T08:02:06.150","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2024:3566"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2024:3567"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2024:3568"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2024:3570"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2024:3572"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2024:3573"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2024:3574"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2024:3575"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2024:3576"},{"type":"WEB","url":"https://access.redhat.com/security/cve/CVE-2024-4540"},{"type":"WEB","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2279303"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2024:3566"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2024:3567"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2024:3568"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2024:3570"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2024:3572"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2024:3573"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2024:3574"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2024:3575"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2024:3576"},{"type":"WEB","url":"https://access.redhat.com/security/cve/CVE-2024-4540"},{"type":"WEB","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2279303"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-06-17T08:02:06.150"}}