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    CVE-2026-3047

    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.

    Published:Mar 5, 2026
    Last Modified:Jul 15, 2026
    EPS:Mar 5, 2026
    EPSS Score:0.00469
    CVSS Score:8.8

    Affected Products

    Vendor
    Red Hat
    Product
    Red Hat Build Of Keycloak 26.2
    Vendor
    Red Hat
    Product
    Red Hat Build Of Keycloak 26.2.14
    Vendor
    Red Hat
    Product
    Red Hat Build Of Keycloak 26.4
    Vendor
    Red Hat
    Product
    Red Hat Build Of Keycloak 26.4.10
    Vendor
    Redhat
    Product
    Build Keycloak
    Vendor
    Redhat
    Product
    Build Of Keycloak
    Vendor
    Redhat
    Product
    Keycloak

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High