CVE Watch5 ago 2026

CVE-2026-16102

A flaw was found in the Dynamic Client Registration (DCR) component of Keycloak, an identity and access management solution. The default DCR

CVSS

8.1

Alto

EPSS

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KEV

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Exploit Today

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0-100

Publicado: 5 ago 2026 · Última mod.: 5 ago 2026 · CWE-284

EPSS · 30d

Sin historial EPSS suficiente todavía.

Descripción técnica

A flaw was found in the Dynamic Client Registration (DCR) component of Keycloak, an identity and access management solution. The default DCR policy fails to properly validate the claim path for User Property mappers, allowing them to write values to sensitive internal claim locations. An attacker with a standard user account and a limited Initial Access Token can exploit this to forge administrative roles in their access token. This allows the attacker to take over other clients, steal confidential secrets, and potentially gain full administrative control over the realm.

Referencias oficiales

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