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    CVE-2025-11419

    A flaw was found in Keycloak. This vulnerability allows an unauthenticated remote attacker to cause a denial of service (DoS) by repeatedly initiating TLS 1.2 client-initiated renegotiation requests to exhaust server CPU resources, making the service unavailable.

    Published:Oct 7, 2025
    Last Modified:Apr 22, 2026
    EPS:Dec 23, 2025
    EPSS Score:0.00046
    CVSS Score:7.5

    Affected Products

    Vendor
    Redhat
    Product
    Build Keycloak

    Exploits

    No exploit reference

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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