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VULNERABILITIES

CVE-2026-4628 Details

Description

A flaw was found in Keycloak. An improper Access Control vulnerability in Keycloak’s User-Managed Access (UMA) resource_set endpoint allows attackers with valid credentials to bypass the allowRemoteResourceManagement=false restriction. This occurs due to incomplete enforcement of access control checks on PUT operations to the resource_set endpoint. This issue enables unauthorized modification of protected resources, impacting data integrity.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:4.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://access.redhat.com/security/cve/CVE-2026-4628 [email protected]Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2450240 [email protected]Issue TrackingVendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-284Improper Access Control[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

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-4628
NVD Published Date:
Mar 23, 2026
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2026-4628 Details - Not Deferred