CVE-2026-4633

LOW

3.7

Descricao

A flaw was found in Keycloak. A remote attacker can exploit differential error messages during the identity-first login flow when Organizations are enabled. This vulnerability allows an attacker to determine the existence of users, leading to information disclosure through user enumeration.

Detalhes CVE

Pontuacao CVSS v3.13.7

SeveridadeLOW

Vetor CVSSCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Vetor de ataqueNETWORK

ComplexidadeHIGH

Privilegios necessariosNONE

Interacao do usuarioNONE

Publicado3/23/2026

Ultima modificacao4/1/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

redhat:build_of_keycloak

Fraquezas (CWE)

CWE-209

Referencias

https://access.redhat.com/security/cve/CVE-2026-4633(secalert@redhat.com)

https://bugzilla.redhat.com/show_bug.cgi?id=2450247(secalert@redhat.com)

Correlacoes IOC

Sem correlacoes registradas

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