Oct. 4, 2023, 11:15 a.m. |

National Vulnerability Database web.nvd.nist.gov

A flaw was found in Keycloak. A Keycloak server configured to support mTLS authentication for OAuth/OpenID clients does not properly verify the client certificate chain. A client that possesses a proper certificate can authorize itself as any other client, therefore, access data that belongs to other clients.

access authentication authorize certificate client clients cve data flaw found keycloak mtls oauth openid server support verify

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