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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.
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Initial Analysis by NIST3/26/2026 10:20:02 AM
Action
Type
Old Value
New Value
Added
CPE Configuration
OR
*cpe:2.3:a:redhat:keycloak:-:*:*:*:*:*:*:*
*cpe:2.3:a:redhat:build_of_keycloak:-:*:*:*:text-only:*:*:*
*cpe:2.3:a:redhat:build_of_keycloak:26.2:*:*:*:*:*:*:*
*cpe:2.3:a:redhat:build_of_keycloak:26.2.14:*:*:*:*:*:*:*
*cpe:2.3:a:redhat:build_of_keycloak:26.4:*:*:*:*:*:*:*
*cpe:2.3:a:redhat:build_of_keycloak:26.4.10:*:*:*:*:*:*:*
Added
Reference Type
Red Hat, Inc.: https://access.redhat.com/errata/RHSA-2026:3925 Types: Vendor Advisory
Added
Reference Type
Red Hat, Inc.: https://access.redhat.com/errata/RHSA-2026:3926 Types: Vendor Advisory
Added
Reference Type
Red Hat, Inc.: https://access.redhat.com/errata/RHSA-2026:3947 Types: Vendor Advisory
Added
Reference Type
Red Hat, Inc.: https://access.redhat.com/errata/RHSA-2026:3948 Types: Vendor Advisory
Added
Reference Type
Red Hat, Inc.: https://access.redhat.com/security/cve/CVE-2026-3047 Types: Vendor Advisory
Added
Reference Type
Red Hat, Inc.: https://bugzilla.redhat.com/show_bug.cgi?id=2441966 Types: Issue Tracking, Vendor Advisory
CVE Modified by Red Hat, Inc.3/05/2026 3:16:17 PM
Action
Type
Old Value
New Value
Added
Reference
https://access.redhat.com/errata/RHSA-2026:3925
Added
Reference
https://access.redhat.com/errata/RHSA-2026:3926
Added
Reference
https://access.redhat.com/errata/RHSA-2026:3947
Added
Reference
https://access.redhat.com/errata/RHSA-2026:3948
New CVE Received from Red Hat, Inc.3/05/2026 2:16:18 PM
Action
Type
Old Value
New Value
Added
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.
) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.
