High [CVE-2026-97847] Client manager can substitute sessionless token principal via hardcoded-claim mappers to obtain realm administrator authority
This high-severity Red Hat Linux advisory covers CVE-2026-97847; related products: Red Hat Build of Keycloak.
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Summary
Client manager can substitute sessionless token principal via hardcoded-claim mappers to obtain realm administrator authority. Red Hat rates this important (CVSS 7.1).
Weakness: CWE-287.
Affected product named by the advisory: Red Hat Build of Keycloak.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative. Check it before change work.
Official advisory · high-confidence parse· fetched 16 hours ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists. Confirm against the vendor advisory.
Official advisory · high-confidence parse· fetched 16 hours ago·verify at source
Mitigation checklist
- 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.
Official advisory · high-confidence parse· fetched 16 hours ago·verify at source
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