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CVE-2026-12388 Keycloak-broker: keycloak: privilege escalation to realm administrator via improper authorization in identity provider mapper

🗓️ 30 Jun 2026 12:00:28Reported by redhatType 
cvelist
 cvelist
🔗 www.cve.org👁 50 Views

A flaw in Keycloak IdP mapper lets a limited administrator create a hardcoded role mapper that grants realm administrator.

Related
Affected
Refs
[
  {
    "vendor": "Red Hat",
    "product": "Red Hat Build of Keycloak",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "rhbk/keycloak-rhel9",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:build_keycloak:"
    ]
  }
]

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