PT-2026-29729 · Red Hat · Red Hat Build Of Keycloak

Published 2026-04-02 · Updated 2026-04-02 · CVE-2026-4282

Mitre

CVSS v3.1

7.4

High

AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

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.

Fix

Weakness Enumeration

CWE-653

Related Identifiers

CVE-2026-4282

Affected Products

Red Hat Build Of Keycloak

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-4282 · Security Note
• https://access.redhat.com/security/cve/CVE-2026-4282 · Note
• https://bugzilla.redhat.com/show_bug.cgi?id=2448061 · Note