DeutschShown in its original language — a full translation is planned for a future version.
Keycloak: Mehrere Schwachstellen
view advisory published 2026-06-25
Ein Angreifer kann mehrere Schwachstellen in Keycloak ausnutzen, um falsche Informationen darzustellen, um Informationen offenzulegen, um einen Cross-Site Scripting Angriff durchzuführen, um Sicherheitsvorkehrungen zu umgehen, und um Dateien zu manipulieren.
01
describes (7)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-11800US | — | — | ||
A flaw was found in Keycloak. This JWT algorithm confusion vulnerability in the JWT Authorization Grant flow allows an attacker with valid client credentials to bypass signature ve… | ||||
| CVE-2026-9800US | — | — | ||
A flaw was found in Keycloak Policy Enforcer. This vulnerability allows any authenticated user to bypass all authorization policies, including role, scope, and User-Managed Access… | ||||
| CVE-2026-9799US | — | — | ||
A flaw was found in org.keycloak.authorization. An authenticated user with a granted User-Managed Access (UMA) permission ticket for one resource can exploit this by using a specif… | ||||
| CVE-2026-9705US | — | — | ||
A flaw was found in Keycloak's client registration service. A remote attacker, possessing a previously issued Registration Access Token (RAT), could exploit this vulnerability to r… | ||||
| CVE-2026-9099US | — | — | ||
A flaw was found in Keycloak. A missing authorization check in the GroupResource.addChild() endpoint within the Admin REST API allows an authenticated user with limited administrat… | ||||
| CVE-2026-9086US | — | Exploit | ||
A flaw was found in Keycloak. A remote attacker with administrative privileges, specifically those with `manage-client` permission or access to client registration endpoints, could… | ||||
| CVE-2026-9083US | — | — | ||
A flaw was found in Keycloak. A realm administrator with the "manage-realm" role can exploit this vulnerability by submitting an arbitrary filesystem path as a keystore parameter w… | ||||
02
references
External citations — patches, advisories, analysis.
- Red Hat Security Advisory RHSA-2026:36002 vom 2026-07-08external
- Red Hat Security Advisory RHSA-2026:36013 vom 2026-07-08external
- Red Hat Security Advisory RHSA-2026:50846 vom 2026-08-05external
- Red Hat Security Advisory RHSA-2026:50847 vom 2026-08-05external
- GitHub Advisory Database vom 2026-06-25external
- GitHub Advisory Database vom 2026-06-25external
- GitHub Advisory Database vom 2026-06-25external
- GitHub Advisory Database vom 2026-06-25external
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