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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👁 5 Views

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

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-12388
30 Jun 202612:00
attackerkb
CVE
CVE-2026-12388
30 Jun 202612:00
cve
EUVD
EUVD-2026-40301
30 Jun 202615:30
euvd
NVD
CVE-2026-12388
30 Jun 202613:17
nvd
Positive Technologies
PT-2026-53859
30 Jun 202600:00
ptsecurity
RedhatCVE
CVE-2026-12388
30 Jun 202612:00
redhatcve
Vulnrichment
CVE-2026-12388 Keycloak-broker: keycloak: privilege escalation to realm administrator via improper authorization in identity provider mapper
30 Jun 202612:00
vulnrichment
[
  {
    "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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