CVE-2025-58084

Mattermost Desktop App versions <= 5.13.0 fail to validate URLs external to the configured Mattermost servers, allowing an attacker on a server the user has configured to crash the user's application by sending the user a malformed URL.

CVSS v3 3.5 LOW

3.5^/10

CVSS v3 : LOW

Vector :

Exploitability : 2.1 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

References

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

Configurations

Configuration 1 (hide)

cpe:2.3:a:mattermost:mattermost_desktop:*:*:*:*:*:*:*:*

History

19 Oct 2026, 16:10

Type	Values Removed	Values Added
Summary		(es) Las versiones de la aplicación de escritorio de Mattermost menor o igual que 5.13.0 no validan las URL externas a los servidores Mattermost configurados, lo que permite a un atacante en un servidor que el usuario ha configurado bloquear la aplicación del usuario enviándole una URL malformada.

Information

Published : 2025-10-13 20:15

Updated : 2026-10-19 16:10

NVD link : CVE-2025-58084

Mitre link : CVE-2025-58084

CVE.ORG link : CVE-2025-58084

JSON object : View

Products Affected

mattermost

mattermost_desktop

CWE

CWE-1287

Improper Validation of Specified Type of Input

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