DeutschShown in its original language — a full translation is planned for a future version.
Keycloak: Mehrere Schwachstellen
view advisory published 2026-10-04
Ein Angreifer kann mehrere Schwachstellen in Keycloak ausnutzen, um Informationen offenzulegen und Sicherheitsmaßnahmen zu umgehen.
01
describes (3)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-105306US | medium6.5OT elevated | Exploit | ||
A flaw was found in the Dynamic Client Registration flow of the Keycloak identity and access management server. The issue occurs because the registration process fails to filter se… | ||||
| CVE-2026-105302US | medium5.7 | — | ||
A flaw was found in the User Session Note mapper of the Keycloak identity and access management solution. The issue occurs because the mapper does not validate whether a requested… | ||||
| CVE-2026-105301US | medium4.0 | — | ||
Rejected reason: This candidate was rejected after further investigation determined that it is not a security vulnerability. The client certificate chain is validated during mTLS n… | ||||
02
references
External citations — patches, advisories, analysis.
- RedHat Customer Portal vom 2026-10-04external
- RedHat Customer Portal vom 2026-10-04external
- RedHat Customer Portal vom 2026-10-04external
- Red Hat Bugtracker 2545797 vom 2026-10-04external
- Red Hat Bugtracker 2545800 vom 2026-10-04external
- Red Hat Bugtracker 2545802 vom 2026-10-04external
- WID-SEC-W-2026-3727 - CSAF Versionself
- WID-SEC-2026-3727 - Portal Versionself
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