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CVE-2026-3047

HIGH

8.8

Description

A flaw was found in org.keycloak.broker.saml. When a disabled Security Assertion Markup Language (SAML) client is configured as an Identity Provider (IdP)-initiated broker landing target, it can still complete the login process and establish a Single Sign-On (SSO) session. This allows a remote attacker to gain unauthorized access to other enabled clients without re-authentication, effectively bypassing security restrictions.

Details CVE

Score CVSS v3.18.8

SeveriteHIGH

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

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisLOW

Interaction utilisateurNONE

Publie3/5/2026

Derniere modification3/26/2026

Sourcenvd

Observations honeypot0

Produits affectes

redhat:build_of_keycloakredhat:keycloak

Faiblesses (CWE)

CWE-305

References

https://access.redhat.com/errata/RHSA-2026:3925(secalert@redhat.com)

https://access.redhat.com/errata/RHSA-2026:3926(secalert@redhat.com)

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-2026-3047(secalert@redhat.com)

https://bugzilla.redhat.com/show_bug.cgi?id=2441966(secalert@redhat.com)

Correlations IOC

Aucune correlation enregistree

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