A vulnerability was found in TeamSpeak 3 Server up to 3.13.7. It has been classified as critical. This issue affects some unknown processing of the component clientek Handshake Handler. Performing a manipulation of the argument proof results in reachable assertion.
This vulnerability is known as CVE-2026-4392. Remote exploitation of the attack is possible. No exploit is available.
Upgrading the affected component is recommended.
