CVE Watch6 nov 2026

CVE-2026-96447

A flaw was found in the TokenManager component of Keycloak, an open-source identity and access management solution. The issue occurs during

CVSS

4.2

Medio

EPSS

0.2%

KEV

—

Exploit Today

0-100

Publicado: 6 nov 2026 · Última mod.: 6 nov 2026 · CWE-287

EPSS · 30d

Sin historial EPSS suficiente todavía.

Descripción técnica

A flaw was found in the TokenManager component of Keycloak, an open-source identity and access management solution. The issue occurs during the validation of stateless access tokens when the original user ID no longer exists. Keycloak incorrectly falls back to using the username to identify the user without verifying if the identity matches the original token subject. This could allow an attacker with an old token to gain access to a newly created service account if it shares the same client ID as a previously deleted one.

Referencias oficiales

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