{"id":"CVE-2026-1529","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-1529","summary":"A flaw was found in Keycloak. An attacker can exploit this vulnerability by modifying the organization ID and target email within a legitimate invitation token's JSON Web Token (JWT)…","details":"A flaw was found in Keycloak. An attacker can exploit this vulnerability by modifying the organization ID and target email within a legitimate invitation token's JSON Web Token (JWT) payload. This lack of cryptographic signature verification allows the attacker to successfully self-register into an unauthorized organization, leading to unauthorized access.","published":"2026-02-09T20:15:55.883","modified":"2026-07-15T02:18:16.307","cvss":{"score":8.1,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:2363"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:2364"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:2365"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:2366"},{"type":"WEB","url":"https://access.redhat.com/security/cve/CVE-2026-1529"},{"type":"WEB","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2433783"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:2363"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:2364"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:2365"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:2366"},{"type":"WEB","url":"https://access.redhat.com/security/cve/CVE-2026-1529"},{"type":"WEB","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2433783"},{"type":"WEB","url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-1529.json"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-07-15T02:18:16.307"}}