
Proof-of-concept exploits for CVE-2026-4390, CVE-2026-4391 and CVE-2026-4392 in TeamSpeak 3 server (3.13.7).
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.
For a detailed technical write-up on the heap use-after-free vulnerability (CVE-2026-4390), see my blog post.
This code is provided for educational and research purposes only. Use it responsibly and only against systems you own or have explicit permission to test. The authors accept no liability for any misuse or damage caused by this software.