Blind Server-Side Request Forgery (SSRF) in Keycloak OIDC Dynamic Client Registration via jwks_uri
Summary
Blind Server-Side Request Forgery (SSRF) in Keycloak OIDC Dynamic Client Registration via jwks_uri. Red Hat rates this moderate (CVSS 5.8). Weakness: CWE-918. Affected package(s): rhbk/keycloak-operator-bundle:26.4.11, rhbk/keycloak-rhel9, rhbk/keycloak-rhel9-operator:26.4, rhbk/keycloak-rhel9:26.4. Resolved in Red Hat advisory RHSA-2026:6478 — update the affected packages (`sudo dnf update`).
- rhbk/keycloak-operator-bundle:26.4.11-1
- rhbk/keycloak-rhel9
- rhbk/keycloak-rhel9-operator:26.4-14
- rhbk/keycloak-rhel9:26.4-14
Official advisory · high-confidence parse· fetched 6 hours ago·verify at source
- RHSA-2026:6478
Official advisory · high-confidence parse· fetched 6 hours ago·verify at source
Mitigation checklist
- Update the affected package(s) to the fixed version shipped in RHSA-2026:6478 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 6 hours ago·verify at source
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