teamspeak3-vulnerabilities

TeamSpeak 3 Server - Proof of Concept Exploits This repository contains proof of concept code for three vulnerabilities CVE-2026-4390, CVE-2026-4391 and CVE-2026-4392 discovered in the TeamSpeak 3 server 3.13.7. All findings were responsibly disclosed to TeamSpeak and published in our advisory. F...

EUVD-2026-82393

TS3 Manager is modern web interface for maintaining Teamspeak3 servers. Prior to 2.2.6, the /api/download handler in packages/server/routes/api.js passes the attacker-controlled port query parameter to socket.connectport, host and returns the resulting error.message through...

TeamSpeak 3 ServerQuery Detection

ServerQuery is a commandline based administration tool/feature of TeamSpeak 3 server. !/usr/bin/env python3 -- coding: utf-8 -- """ServerQuery is a commandline based administration tool/feature of TeamSpeak 3 server.""" import socket from kittysploit import from lib.protocols.tcp.tcpscannerclient...

CVE-2026-4391

A security vulnerability has been detected in TeamSpeak 3 Server up to 3.13.7. This vulnerability affects unknown code of the component ECC Key Parser. Such manipulation leads to heap-based buffer overflow. The attack may be launched remotely. Upgrading to version 3.13.8 is able to resolve this...

CVE-2026-4390

A weakness has been identified in TeamSpeak 3 Server up to 3.13.7. This affects the function processresendqueue of the component Connection State Management. This manipulation causes use after free. The attack may be initiated remotely. Upgrading to version 3.13.8 is able to mitigate this issue...

CVE-2026-4390

A weakness has been identified in TeamSpeak 3 Server up to 3.13.7. This affects the function processresendqueue of the component Connection State Management. This manipulation causes use after free. The attack may be initiated remotely. Upgrading to version 3.13.8 is able to mitigate this issue...

CVE-2026-4392

A vulnerability was detected in TeamSpeak 3 Server up to 3.13.7. This issue affects some unknown processing of the component clientek Handshake Handler. Performing a manipulation of the argument proof results in reachable assertion. Remote exploitation of the attack is possible. Upgrading to...

EUVD-2026-32592

A vulnerability was detected in TeamSpeak 3 Server up to 3.13.7. This issue affects some unknown processing of the component clientek Handshake Handler. Performing a manipulation of the argument proof results in reachable assertion. Remote exploitation of the attack is possible. Upgrading to...

CVE-2026-4392

A vulnerability was detected in TeamSpeak 3 Server up to 3.13.7. This issue affects some unknown processing of the component clientek Handshake Handler. Performing a manipulation of the argument proof results in reachable assertion. Remote exploitation of the attack is possible. Upgrading to...

CVE-2026-4392 TeamSpeak 3 Server clientek Handshake assertion

A vulnerability was detected in TeamSpeak 3 Server up to 3.13.7. This issue affects some unknown processing of the component clientek Handshake Handler. Performing a manipulation of the argument proof results in reachable assertion. Remote exploitation of the attack is possible. Upgrading to...

CVE-2026-4392

CVE-2026-4392 affects TeamSpeak 3 Server versions up to 3.13.7, involving the Handshake Handler component. The issue arises from manipulation of the argument proof, which results in a reachable assertion. The advisory states that remote exploitation is possible. A fix is available in TeamSpeak 3 ...

CVE-2026-4392 TeamSpeak 3 Server clientek Handshake assertion

A vulnerability was detected in TeamSpeak 3 Server up to 3.13.7. This issue affects some unknown processing of the component clientek Handshake Handler. Performing a manipulation of the argument proof results in reachable assertion. Remote exploitation of the attack is possible. Upgrading to...

CVE-2026-4391 TeamSpeak 3 Server ECC Key heap-based overflow

A security vulnerability has been detected in TeamSpeak 3 Server up to 3.13.7. This vulnerability affects unknown code of the component ECC Key Parser. Such manipulation leads to heap-based buffer overflow. The attack may be launched remotely. Upgrading to version 3.13.8 is able to resolve this...

EUVD-2026-32585

A security vulnerability has been detected in TeamSpeak 3 Server up to 3.13.7. This vulnerability affects unknown code of the component ECC Key Parser. Such manipulation leads to heap-based buffer overflow. The attack may be launched remotely. Upgrading to version 3.13.8 is able to resolve this...

EUVD-2026-32580

A weakness has been identified in TeamSpeak 3 Server up to 3.13.7. This affects the function processresendqueue of the component Connection State Management. This manipulation causes use after free. The attack may be initiated remotely. Upgrading to version 3.13.8 is able to mitigate this issue...

CVE-2026-4390

A weakness has been identified in TeamSpeak 3 Server up to 3.13.7. This affects the function processresendqueue of the component Connection State Management. This manipulation causes use after free. The attack may be initiated remotely. Upgrading to version 3.13.8 is able to mitigate this issue...

CVE-2026-4390 TeamSpeak 3 Server Connection State Management process_resend_queue use after free

A weakness has been identified in TeamSpeak 3 Server up to 3.13.7. This affects the function processresendqueue of the component Connection State Management. This manipulation causes use after free. The attack may be initiated remotely. Upgrading to version 3.13.8 is able to mitigate this issue...

CVE-2026-4390 TeamSpeak 3 Server Connection State Management process_resend_queue use after free

A weakness has been identified in TeamSpeak 3 Server up to 3.13.7. This affects the function processresendqueue of the component Connection State Management. This manipulation causes use after free. The attack may be initiated remotely. Upgrading to version 3.13.8 is able to mitigate this issue...

CVE-2026-4391: Heap-based Buffer Overflow

A security vulnerability has been detected in TeamSpeak 3 Server up to 3.13.7. This vulnerability affects unknown code of the component ECC Key Parser. Such manipulation leads to heap-based buffer overflow. The attack may be launched remotely. Upgrading to version 3.13.8 is able to resolve this...

TeamSpeak 3 Server Security Vulnerability

TeamSpeak 3 Server is a real-time voice communication server software developed by the TeamSpeak company. Versions of TeamSpeak 3 Server prior to 3.13.7 have a security vulnerability, which stems from a heap buffer overflow in the ECC Key Parser component, potentially allowing for remote attacks...