CVE-2025-41395

Mattermost versions 10.4.x <= 10.4.2, 10.5.x <= 10.5.0, 9.11.x <= 9.11.10 fail to properly validate the props used by the RetrospectivePost custom post type in the Playbooks plugin, which allows an attacker to create a specially crafted post with maliciously crafted props and cause a denial of service (DoS) of the web app for all users.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

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::::::::

History

01 Oct 2025, 19:35

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

29 Apr 2025, 13:52

Type	Values Removed	Values Added
Summary		(es) Las versiones de Mattermost 10.4.x <= 10.4.2, 10.5.x <= 10.5.0, 9.11.x <= 9.11.10 no logran validar correctamente las propiedades utilizadas por el tipo de publicación personalizada RetrospectivePost en el complemento Playbooks, lo que permite a un atacante crear una publicación especialmente manipulada con propiedades manipuladas maliciosamente y provocar una denegación de servicio (DoS) de la aplicación web para todos los usuarios.

24 Apr 2025, 07:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-04-24 07:15

Updated : 2025-10-01 19:35

NVD link : CVE-2025-41395

Mitre link : CVE-2025-41395

CVE.ORG link : CVE-2025-41395

JSON object : View

Products Affected

mattermost

mattermost_server

CWE

CWE-1287

Improper Validation of Specified Type of Input

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