CVE-2026-4636 in Keycloak
Сводка (Английский)
A flaw was found in Keycloak. An authenticated user with the uma_protection role can bypass User-Managed Access (UMA) policy validation. This allows the attacker to include resource identifiers owned by other users in a policy creation request, even if the URL path specifies an attacker-owned resource. Consequently, the attacker gains unauthorized permissions to victim-owned resources, enabling them to obtain a Requesting Party Token (RPT) and access sensitive information or perform unauthorized actions.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Ответственный
redhat
Резервировать
23.03.2026
Раскрытие
02.04.2026
Статус
Подтверждённый
Записи
VulDB provides additional information and datapoints for this CVE:
| ИД | Уязвимость | CWE | Экс | Кон | CVE |
|---|---|---|---|---|---|
| 354867 | Keycloak эскалация привилегий | 551 | Не определено | Не определено | CVE-2026-4636 |