CVE-2026-4282 in Keycloakinfo

Summary

A flaw was found in Keycloak. The SingleUseObjectProvider, a global key-value store, lacks proper type and namespace isolation. This vulnerability allows an unauthenticated attacker to forge authorization codes. Successful exploitation can lead to the creation of admin-capable access tokens, resulting in privilege escalation.

Responsible

redhat

Reservation

03/16/2026

Disclosure

04/02/2026

Entries

VulDB provides additional information and datapoints for this CVE:

ID	Vulnerability	CWE	Exp	Cou	CVE
354870	Keycloak improper isolation or compartmentalization	653	Not defined	Not defined	CVE-2026-4282

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