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.

INFO

Published Date :

2026-04-02T12:44:52.941Z

Last Modified :

2026-04-02T16:34:56.651Z

Source :

redhat
AFFECTED PRODUCTS

The following products are affected by CVE-2026-4282 vulnerability.

Vendors Products
Redhat
  • Build Keycloak
  • Build Of Keycloak
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-4282.

URL Resource
https://access.redhat.com/errata/RHSA-2026:6475 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:6476 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:6477 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:6478 cve-icon cve-icon
https://access.redhat.com/security/cve/CVE-2026-4282 cve-icon cve-icon
https://bugzilla.redhat.com/show_bug.cgi?id=2448061 cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2026-4282 cve-icon
https://www.cve.org/CVERecord?id=CVE-2026-4282 cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact