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VULNERABILITIES

CVE-2026-4629 Details

Description

A flaw was found in Keycloak. A highly privileged user with `manage-clients` permission can exploit this vulnerability by injecting a hardcoded role mapper into any client. This action allows the user to bypass existing scope restrictions and inject the `realm-admin` role into generated tokens, resulting in privilege escalation and full administrative access to the realm.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://access.redhat.com/errata/RHSA-2026:50846 [email protected]
https://access.redhat.com/errata/RHSA-2026:50847 [email protected]
https://access.redhat.com/security/cve/CVE-2026-4629 [email protected]Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2450244 [email protected]ExploitVendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-266Incorrect Privilege Assignment[email protected]

Affected Products

ProductVersions
redhat build of keycloak
All versions

CPE

  • cpe:2.3:a:redhat:build_of_keycloak:-:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-4629
NVD Published Date:
Jun 30, 2026
NVD Last Modified:
Aug 5, 2026
Source:
[email protected]
CVE-2026-4629 Details - Not Deferred