Description
A flaw was found in the UMA resource registration endpoint of the keycloak-services component, which provides the core logic for Keycloak's authorization and identity services. The issue occurs when remote resource management is enabled, allowing an authenticated user with specific permissions to update resources they do not own by providing a target resource ID in a request. This can lead to unauthorized modification of resource configurations, such as names, URIs, and scopes.
Published: 2026-10-30
Score: 4.3 Medium
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Fri, 30 Oct 2026 00:45:00 +0000

Type Values Removed Values Added
Title keycloak-services: keycloak-services: Authorization bypass via UMA resource registration IDOR Keycloak-services: keycloak-services: authorization bypass via uma resource registration idor
First Time appeared Redhat
Redhat build Keycloak
Redhat red Hat Single Sign On
CPEs cpe:/a:redhat:build_keycloak:
cpe:/a:redhat:red_hat_single_sign_on:7
Vendors & Products Redhat
Redhat build Keycloak
Redhat red Hat Single Sign On
References

Fri, 30 Oct 2026 00:30:00 +0000

Type Values Removed Values Added
Description A flaw was found in the UMA resource registration endpoint of the keycloak-services component, which provides the core logic for Keycloak's authorization and identity services. The issue occurs when remote resource management is enabled, allowing an authenticated user with specific permissions to update resources they do not own by providing a target resource ID in a request. This can lead to unauthorized modification of resource configurations, such as names, URIs, and scopes.
Title keycloak-services: keycloak-services: Authorization bypass via UMA resource registration IDOR
Weaknesses CWE-639
References
Metrics threat_severity

None

cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N'}

threat_severity

Moderate


Subscriptions

Redhat Build Keycloak Red Hat Single Sign On
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2026-10-30T00:13:56.153Z

Reserved: 2026-10-29T06:37:51.109Z

Link: CVE-2026-118947

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-30T01:16:44.347

Modified: 2026-10-30T01:16:44.480

Link: CVE-2026-118947

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-10-28T20:58:24Z

Links: CVE-2026-118947 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-10-30T01:45:04Z

Weaknesses
  • CWE-639

    Authorization Bypass Through User-Controlled Key