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CVE-2026-3009

HIGH

8.1

Description

A security flaw in the IdentityBrokerService.performLogin endpoint of Keycloak allows authentication to proceed using an Identity Provider (IdP) even after it has been disabled by an administrator. An attacker who knows the IdP alias can reuse a previously generated login request to bypass the administrative restriction. This undermines access control enforcement and may allow unauthorized authentication through a disabled external provider.

Details CVE

Score CVSS v3.18.1

SeveriteHIGH

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

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisLOW

Interaction utilisateurNONE

Publie3/5/2026

Derniere modification3/24/2026

Sourcenvd

Observations honeypot0

Produits affectes

redhat:build_of_keycloakredhat:jboss_enterprise_application_platformredhat:jboss_enterprise_application_platform_expansion_packredhat:single_sign-on

Faiblesses (CWE)

CWE-863CWE-863

References

https://access.redhat.com/errata/RHSA-2026:3947(secalert@redhat.com)

https://access.redhat.com/errata/RHSA-2026:3948(secalert@redhat.com)

https://access.redhat.com/security/cve/CVE-2026-3009(secalert@redhat.com)

https://bugzilla.redhat.com/show_bug.cgi?id=2441867(secalert@redhat.com)

Correlations IOC

Aucune correlation enregistree

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