ByteOS Network

NVD Vulnerability Details :

CVE-2026-4392

Deferred

Source-cna@vuldb.com

Published At-27 May, 2026 | 18:16

Updated At-27 May, 2026 | 19:49

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.

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Secondary	4.0	6.9	MEDIUM	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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Primary	3.1	5.3	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Secondary	2.0	5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:N/A:P

Type: Secondary

Version: 4.0

Base score: 6.9

Base severity: MEDIUM

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Type: Primary

Version: 3.1

Base score: 5.3

Base severity: MEDIUM

Vector:

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Type: Secondary

Version: 2.0

Base score: 5.0

Base severity: MEDIUM

Vector:

AV:N/AC:L/Au:N/C:N/I:N/A:P

Weaknesses

CWE ID	Type	Source
CWE-617	Primary	cna@vuldb.com

CWE ID: CWE-617

Type: Primary

Source: cna@vuldb.com

References

Hyperlink	Source	Resource
https://files.teamspeak-services.com/docs/security/TS-SA-2026-001.html	cna@vuldb.com	N/A
https://modzero.com/en/advisories/mz-26-01-teamspeak/	cna@vuldb.com	N/A
https://vuldb.com/vuln/366316	cna@vuldb.com	N/A
https://vuldb.com/vuln/366316/cti	cna@vuldb.com	N/A
https://www.teamspeak.com/en/downloads/#server	cna@vuldb.com	N/A