CVE-2025-59480

Mattermost Mobile Apps versions <=2.32.0 fail to verify that SSO redirect tokens originate from the trusted server, which allows a malicious Mattermost instance or on-path attacker to obtain user session credentials via crafted token-in-URL responses

CVSS v3 6.1 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.6 / Impact : 4.0

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction REQUIRED

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)

cpe:2.3:a:mattermost:mattermost_mobile:*:*:*:*:*:*:*:*

History

19 Oct 2026, 13:10

Type	Values Removed	Values Added
Summary		(es) Las versiones menor o igual que 2.32.0 de las aplicaciones móviles de Mattermost no verifican que los tokens de redirección de SSO provengan del servidor de confianza, lo que permite a una instancia maliciosa de Mattermost o a un atacante en la ruta obtener las credenciales de sesión del usuario a través de respuestas de token en URL manipuladas.

Information

Published : 2025-11-13 18:15

Updated : 2026-10-19 13:10

NVD link : CVE-2025-59480

Mitre link : CVE-2025-59480

CVE.ORG link : CVE-2025-59480

JSON object : View

Products Affected

mattermost

mattermost_mobile

CWE

CWE-352

Cross-Site Request Forgery (CSRF)

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