En resumen
- CVE-2026-37978 es una vulnerabilidad MEDIO (CVSS 4.9) que afecta a org.keycloak:keycloak-services, build of keycloak (redhat).
- Probabilidad de explotación en los próximos 30 días (EPSS): 0.43%, mayor que el 37.1% de las vulnerabilidades.
- Solución: actualizar a 26.6.2, 26.4.12 o posterior.
Description
A flaw was found in Keycloak. A low-privilege administrator with the 'view-clients' role can exploit this by invoking the 'evaluate-scopes' Admin API endpoints with an arbitrary user ID (userId) parameter. This vulnerability allows for cross-role personally identifiable information (PII) leakage, enabling unauthorized visibility into user identities and authorizations across the realm. Exploitation is possible remotely via network access to the Admin API.
NVD description
A flaw was found in Keycloak. A low-privilege administrator with the 'view-clients' role can exploit this by invoking the 'evaluate-scopes' Admin API endpoints with an arbitrary user ID (userId) parameter. This vulnerability allows for cross-role personally identifiable information (PII) leakage, enabling unauthorized visibility into user identities and authorizations across the realm. Exploitation is possible remotely via network access to the Admin API.
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