CVE-2025-13609: 
Python vulnerability analysis and mitigation

A vulnerability has been identified in Keylime (CVE-2025-13609) where an attacker can exploit a flaw in the registrar component that allows registration of another agent with a duplicate UUID. This vulnerability was reported in late 2025 and affects the Keylime authentication system (Red Hat CVE).

The vulnerability exists in the Keylime registrar component where it fails to properly validate agent registration requests. Specifically, the registrar allows the registration of a different TPM device with a different EK certificate using a duplicate UUID. This security flaw enables potential identity takeover attacks (Bugzilla Report).

The vulnerability presents a critical security risk as it allows attackers to take over an existing agent's identity by re-registering with the same UUID using a different TPM's EK certificate. This could lead to unauthorized access and potential compromise of the affected systems (Bugzilla Report).