CVE-2026-107604
Received Received - Intake

Keycloak Identity Management Secret Exposure via Read-Only Role

Publication date: 2026-10-08

Last updated on: 2026-10-08

Assigner: redhat-SADP

Description
A flaw was found in the installation provider and client registration endpoints of the Keycloak identity management service. A realm administrator with only the read-only view-clients role can access the active primary secret of any confidential client, which should normally be restricted. This exposed secret can be used to impersonate the client and gain unauthorized access to its associated service account permissions.

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Meta Information

Published
2026-10-08
Last Modified
2026-10-08
Generated
2026-10-08
AI Q&A
2026-10-08
EPSS Evaluated
N/A
NVD
CVE-2026-107604
EUVD
EUVD-2026-95033

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
redhat keycloak *
redhat keycloak From 2026-07-01 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-200 The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

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Executive Summary

This vulnerability is in Keycloak's identity management service. A realm administrator with a read-only role can access the primary secret of any confidential client, which should be restricted. This exposed secret allows impersonation of the client to gain unauthorized access to its service account permissions.

Detection Guidance

To detect this vulnerability, check Keycloak logs for unauthorized access to client secrets via installation provider or client registration endpoints. Look for requests to /auth/admin/realms/{realm}/clients/{client-id}/client-secret or similar paths by users with the realm-management:view-clients role. Monitor for cleartext secrets in responses.

Impact Analysis

An attacker with the realm-management:view-clients role could retrieve client secrets and impersonate clients to access their permissions. This could lead to unauthorized data access, service manipulation, or privilege escalation within the affected system.

Compliance Impact

This vulnerability could lead to unauthorized access to sensitive data, violating confidentiality requirements in GDPR and HIPAA. Organizations using Keycloak may face compliance violations if client secrets are exposed, potentially resulting in legal and regulatory penalties.

Mitigation Strategies

Apply available patches from Keycloak if available. Restrict the realm-management:view-clients role to only necessary users. Review and rotate all confidential client secrets. Monitor endpoints for unusual access patterns. Consider disabling affected endpoints if mitigation is not feasible.

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