CVE-2026-4282

HighCVSS 7.4/10Last modified Jul 15, 2026

Description

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.

Metrics

CVSS 3.1 7.4/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Weakness enumeration

CWE-653

Affected software

No affected versions have been published.

Timeline

Published
Apr 2, 2026
Last modified
Jul 15, 2026
NVD status
Modified

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