CVE-2026-18570
CVE-2026-18570: 1 tracked advisory record across Red Hat. Compare vendor sources and published fix guidance.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
Red Hat
1 advisory- Advisory severityMedium5.4
Medium [CVE-2026-18570] Full-scope-disabled client policy validation bypass via omitted fullScopeAllowed
CVE-2026-18570Source published Source updated
A flaw was found in the full-scope-disabled client-policy executor within the keycloak-services component. This component is responsible for enforcing security policies during client registration and configuration in Red Hat Build of Keycloak. The issue occurs because the executor only validates the fullScopeAllowed field when it is explicitly provided in a request. By omitting this field, a delegated user can bypass the policy, resulting in a client created with full scope access. This allows the client to obtain tokens with unauthorized role mappings. The Red Hat Product Security team has assessed the severity of this vulnerability as Moderate, given that exploitation requires the attacker to have delegated client creation privileges and the realm must have a specific policy…
- Affected products in this advisory
- Red Hat build of Keycloak 26.6.7
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- rhbk/keycloak-operator-bundle:26.6.7-3
- rhbk/keycloak-rhel9:26.6-20
- rhbk/keycloak-rhel9-operator:26.6-20
- keycloak-services
4 more entries in the full advisory.
- Mitigation guidance
- 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.
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