CVE-2026-4633

LOW

3.7

Description

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.

Details CVE

Score CVSS v3.13.7

SeveriteLOW

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

Vecteur d'attaqueNETWORK

ComplexiteHIGH

Privileges requisNONE

Interaction utilisateurNONE

Publie3/23/2026

Derniere modification4/1/2026

Sourcenvd

Observations honeypot0

Produits affectes

redhat:build_of_keycloak

Faiblesses (CWE)

CWE-209

References

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

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

Correlations IOC

Aucune correlation enregistree

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