Description
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.
Published: 2026-05-27
Score: 6.9 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Thu, 28 May 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 27 May 2026 17:45:00 +0000

Type Values Removed Values Added
Description 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.
Title TeamSpeak 3 Server clientek Handshake assertion
First Time appeared Teamspeak 3 Server
Teamspeak 3 Server teamspeak 3 Server
Weaknesses CWE-617
CPEs cpe:2.3:a:teamspeak_3_server:teamspeak_3_server:*:*:*:*:*:*:*:*
Vendors & Products Teamspeak 3 Server
Teamspeak 3 Server teamspeak 3 Server
References
Metrics cvssV2_0

{'score': 5, 'vector': 'AV:N/AC:L/Au:N/C:N/I:N/A:P/E:ND/RL:OF/RC:C'}

cvssV3_0

{'score': 5.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C'}

cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X'}


Subscriptions

Teamspeak 3 Server Teamspeak 3 Server
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-05-28T15:04:08.513Z

Reserved: 2026-03-18T15:06:05.814Z

Link: CVE-2026-4392

cve-icon Vulnrichment

Updated: 2026-05-28T15:04:00.456Z

cve-icon NVD

Status : Deferred

Published: 2026-05-27T18:16:28.763

Modified: 2026-06-17T10:56:30.827

Link: CVE-2026-4392

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-28T04:15:06Z

Weaknesses