CVE-2025-9079

Mattermost versions 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 9.11.x <= 9.11.17, 10.10.x <= 10.10.1, 10.9.x <= 10.9.3 fail to validate import directory path configuration which allows admin users to execute arbitrary code via malicious plugin upload to prepackaged plugins directory

CVSS v3 8.0 HIGH

8.0^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.3 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

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

History

19 Oct 2026, 16:10

Type	Values Removed	Values Added
Summary		(es) Las versiones de Mattermost 10.8.x menor o igual que 10.8.3, 10.5.x menor o igual que 10.5.8, 9.11.x menor o igual que 9.11.17, 10.10.x menor o igual que 10.10.1, 10.9.x menor o igual que 10.9.3 fallan al validar la configuración de la ruta del directorio de importación, lo que permite a los usuarios administradores ejecutar código arbitrario a través de la carga de un plugin malicioso al directorio de plugins preempaquetados.

Information

Published : 2025-09-19 20:15

Updated : 2026-10-19 16:10

NVD link : CVE-2025-9079

Mitre link : CVE-2025-9079

CVE.ORG link : CVE-2025-9079

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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