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    CVE-2026-97175

    A flaw was found in the idp-auto-link authenticator of the keycloak-services component, which handles user identity federation. The issue occurs when Keycloak automatically links an incoming identity from an external provider to an existing local account based on an email address without verifying if the provider has validated that email. This can allow an attacker to take over a victim's account by using a matching unverified email address at a brokered provider.

    Published:Nov 5, 2026
    Last Modified:Nov 5, 2026
    EPS:Nov 5, 2026
    EPSS Score:
    CVSS Score:8.8

    Affected Products

    Vendor
    Redhat
    Product
    Build Keycloak
    Vendor
    Redhat
    Product
    Red Hat Single Sign On

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-287 Improper Authentication

    Related CVEs

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    CVE-2026-92857 (CVSS 8.1) — Keycloak provides a Dynamic Client Registration feature that allows users with specific tokens to register the…
    CVE-2026-92855 (CVSS 7.4) — A flaw was found in the SAML identity broker component of Keycloak, which is used to delegate authentication t…
    CVE-2026-82965 (CVSS 7.5) — A flaw was found in the SAML implementation of Keycloak, an open-source identity and access management solutio…
    CVE-2026-114232 (CVSS 8.1) — A flaw was found in the UserManagedPermissionService of the Keycloak authorization server. The UMA Protection …
    CVE-2026-112208 (CVSS 8.1) — A flaw was found in the Organization identity-first login flow of the Keycloak authentication server. Keycloak…
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    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
    CVE-2026-97175 — Redhat (High 8.8) | CVE-DB