CVE-2026-4392 (GCVE-0-2026-4392)
Vulnerability from cvelistv5 – Published: 2026-05-27 17:00 – Updated: 2026-05-28 15:04
VLAI
EPSS
VEX
Title
TeamSpeak 3 Server clientek Handshake assertion
Summary
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 version 3.13.8 is capable of addressing this issue. Upgrading the affected component is recommended.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-28 15:03 UTC
CWE
- CWE-617 - Reachable Assertion
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/366316 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/366316/cti | signaturepermissions-required |
| https://modzero.com/en/advisories/mz-26-01-teamspeak/ | related |
| https://files.teamspeak-services.com/docs/securit… | related |
| https://www.teamspeak.com/en/downloads/#server | patch |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| n/a | TeamSpeak 3 Server |
Affected:
3.13.0
Affected: 3.13.1 Affected: 3.13.2 Affected: 3.13.3 Affected: 3.13.4 Affected: 3.13.5 Affected: 3.13.6 Affected: 3.13.7 Unaffected: 3.13.8 cpe:2.3:a:teamspeak_3_server:teamspeak_3_server:*:*:*:*:*:*:*:* |
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