CVE-2025-41436

Mattermost versions <11.0 fail to properly enforce the "Allow users to view archived channels" setting which allows regular users to access archived channel content and files via the "Open in Channel" functionality from followed threads

CVSS v3 3.1 LOW

3.1^/10

CVSS v3 : LOW

Vector :

Exploitability : 1.6 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

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

Configurations

Configuration 1 (hide)

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

History

19 Oct 2026, 13:10

Type	Values Removed	Values Added
Summary		(es) Las versiones de Mattermost menor que 11.0 fallan en aplicar correctamente la configuración 'Permitir a los usuarios ver canales archivados', lo que permite a los usuarios regulares acceder a contenido y archivos de canales archivados a través de la funcionalidad 'Abrir en canal' desde hilos seguidos.

Information

Published : 2025-11-14 08:15

Updated : 2026-10-19 13:10

NVD link : CVE-2025-41436

Mitre link : CVE-2025-41436

CVE.ORG link : CVE-2025-41436

JSON object : View

Products Affected

mattermost

mattermost_server

CWE

CWE-863

Incorrect Authorization

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