CVE-2026-19607mediumCWE-287

CVE-2026-19607: fallo de gravedad media en Red Hat build of Keycloak 26.4

Keycloak-services: keycloak-services: broker-originated username collision causes account lockout

Publicada el

Seguir esta CVE+ Monitorear Red Hat build of Keycloak+ Monitorear Red Hat Single Sign-On

Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.

33Vexday Risk Score

Sin señal de explotación. Ella tiene prueba de concepto pública.

ssvc Attendcvss 5.3epss 0.7%
de la publicación al armael mismo día
Publicada en NVD16 sept
1ª PoC8 ago
A flaw was found in the first-broker-login flow of the keycloak-services component. This component handles the initial authentication and account linking when a user logs in via an external identity provider. The issue allows an attacker to register a matching username on an external provider to trigger a collision in Keycloak, which results in the legitimate user being locked out of their account.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Productos afectados
Red Hat · Red Hat build of Keycloak 26.4Red Hat · Red Hat build of Keycloak 26.4.16Red Hat · Red Hat build of Keycloak 26.6Red Hat · Red Hat build of Keycloak 26.6.7Red Hat · Red Hat Single Sign-On 7
PoCs públicas encontradas — 1
githubgithub.com/7Ragnarok7/CVE-2026-19607★ 3
⚠ Recursos públicos, para evaluar la exposición de sistemas que controlas o estás autorizado a probar. Prueba solo con autorización.
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