Medium severity5.4NVD Advisory· Published May 27, 2026· Updated May 27, 2026

CVE-2026-4390

Description

A weakness has been identified in TeamSpeak 3 Server up to 3.13.7. This affects the function process_resend_queue 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. The affected component should be upgraded.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Teamspeak/Teamspeak Serverinferred2 versions
<=3.13.7+ 1 more
- (no CPE)range: <=3.13.7
- (no CPE)range: <=3.13.7

Patches

Vulnerability mechanics

References

files.teamspeak-services.com/docs/security/TS-SA-2026-001.htmlnvd
modzero.com/en/advisories/mz-26-01-teamspeak/nvd
vuldb.com/vuln/366314nvd
vuldb.com/vuln/366314/ctinvd
www.teamspeak.com/en/downloads/nvd

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