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Back to active CVEs
Medium · CVSS 4.9CVE-2026-89298

Keycloak-services: keycloak-services: confidential client secret disclosed to view-clients role via client registration getCVE-2026-89298

Answer in brief

CVE-2026-89298 records a Medium severity (CVSS 4.9) vulnerability in Keycloak-services: keycloak-services: confidential client secret disclosed to view-clients role via client registration get. The current sources do not mark it as known exploited. The current feed maps Red Hat/keycloak/rhbk-openshift-rhel9 (generic), Red Hat/keycloak-services (generic), Red Hat/rhbk/keycloak-rhel9 (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 11, 2026Updated Sep 16, 2026Source checked Oct 27, 2026First seen by HOL Sep 11, 2026Material review Sep 16, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 4.9
Exploitation
Not marked as known exploited
Affected software
3 mapped packages or products
Fix availability
Not reported

Why this deserves its current priority

CVSS is 4.9. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Red Hat/keycloak/rhbk-openshift-rhel9 (generic), Red Hat/keycloak-services (generic), Red Hat/rhbk/keycloak-rhel9 (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Red Hat/keycloak/rhbk-openshift-rhel9generic*Not reported
Red Hat/keycloak-servicesgeneric*Not reported
Red Hat/rhbk/keycloak-rhel9generic*Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Red Hat/keycloak/rhbk-openshift-rhel9, Red Hat/keycloak-services, Red Hat/rhbk/keycloak-rhel9.
  2. 2Review the reported fix. Source-reported workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

Evidence timeline and material changes

  1. Published upstream

    Sep 11, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Sep 16, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Sep 11, 2026

Sources and claim methodology

  • Source referenceaccess.redhat.com
  • Source referencebugzilla.redhat.com
Upstream source description

A flaw was found in the Dynamic Client Registration service of Keycloak, an open-source identity and access management solution. The issue occurs when a user with the view-clients role accesses the client registration endpoint to retrieve client details. Due to a failure to mask sensitive information, the service returns the client's confidential secret in cleartext. This could allow a read-only administrator to obtain full access to the affected client's account and potentially escalate their privileges within the realm.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Arbitrary File Read
EPSS
Not reported
CWE IDs
CWE-200
Source
CVE List V5
Source checked
Oct 27, 2026
References
2 linked sources
Open source record