GHSA-93ww-43rr-79v3

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    GHSA-93ww-43rr-79v3

    Published: 25 Nov 2024Last Modified: 10 Sept 2026

    Summary: Keycloak mTLS Authentication Bypass via Reverse Proxy TLS Termination

    Details: A vulnerability was found in Keycloak. Deployments of Keycloak with a reverse proxy not using pass-through termination of TLS, with mTLS enabled, are affected. This issue may allow an attacker on the local network to authenticate as any user or client that leverages mTLS as the authentication mechanism.

    References: https://github.com/keycloak/keycloak/security/advisories/GHSA-93ww-43rr-79v3, https://github.com/keycloak/keycloak/issues/35217, https://github.com/keycloak/keycloak

    Affected packages

    Package

    Name: org.keycloak:keycloak-core

    Purl: pkg:maven/org.keycloak/keycloak-core

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -26.0.6

    Affected versions

    1.0-alpha-1

    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
    GHSA-93ww-43rr-79v3 | CVE-DB