A flaw was found in the Identity Provider (IdP) mapper component of Keycloak, which is used to manage how user information from external services is mapped to Keycloak users. An administrator with limited permissions to manage identity providers can exploit this flaw by creating a "Hardcoded Role" mapper that assigns high-level administrative roles (like realm-admin) to themselves or others. This allows a restricted administrator to bypass security checks and gain full control over the entire realm.
Metrics
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References
History
Tue, 30 Jun 2026 12:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | A flaw was found in the Identity Provider (IdP) mapper component of Keycloak, which is used to manage how user information from external services is mapped to Keycloak users. An administrator with limited permissions to manage identity providers can exploit this flaw by creating a "Hardcoded Role" mapper that assigns high-level administrative roles (like realm-admin) to themselves or others. This allows a restricted administrator to bypass security checks and gain full control over the entire realm. | |
| Title | Keycloak-broker: keycloak: privilege escalation to realm administrator via improper authorization in identity provider mapper | |
| First Time appeared |
Redhat
Redhat build Keycloak |
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| Weaknesses | CWE-266 | |
| CPEs | cpe:/a:redhat:build_keycloak: | |
| Vendors & Products |
Redhat
Redhat build Keycloak |
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| Metrics |
cvssV3_1
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MITRE
Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2026-06-30T12:00:28.675Z
Reserved: 2026-06-16T11:41:17.075Z
Link: CVE-2026-12388
Vulnrichment
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NVD
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Redhat
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OpenCVE Enrichment
Updated: 2026-06-30T13:30:13Z