CVE-2025-8023

Mattermost versions 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 9.11.x <= 9.11.17, 10.9.x <= 10.9.2 fails to sanitize path traversal sequences in template file destination paths, which allows a system admin to perform path traversal attacks via malicious path components, potentially enabling malicious file placement outside intended directories.

CVSS v3 6.8 MEDIUM

6.8^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.3 / Impact : 4.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://mattermost.com/security-updates	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:mattermost:mattermost_server::::::::
	cpe:2.3:a:mattermost:mattermost_server::::::::
	cpe:2.3:a:mattermost:mattermost_server::::::::
	cpe:2.3:a:mattermost:mattermost_server::::::::

History

25 Aug 2025, 14:56

Type	Values Removed	Values Added
First Time		Mattermost mattermost Server Mattermost
CPE		cpe:2.3:a:mattermost:mattermost_server::::::::
References	~~() https://mattermost.com/security-updates -~~	() https://mattermost.com/security-updates - Vendor Advisory

22 Aug 2025, 18:09

Type	Values Removed	Values Added
Summary		(es) Las versiones 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 9.11.x <= 9.11.17, 10.9.x <= 10.9.2 de Mattermost no pueden depurar las secuencias de path traversal en las rutas de destino de los archivos de plantilla, lo que permite que un administrador del sistema realice ataques de path traversal a través de componentes de ruta maliciosos, lo que potencialmente permite la ubicación de archivos maliciosos fuera de los directorios previstos.

21 Aug 2025, 08:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-08-21 08:15

Updated : 2025-08-25 14:56

NVD link : CVE-2025-8023

Mitre link : CVE-2025-8023

CVE.ORG link : CVE-2025-8023

JSON object : View

Products Affected

mattermost

mattermost_server

CWE

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

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