CVE-2024-32045

Mattermost versions 9.5.x <= 9.5.3, 9.6.x <= 9.6.1, 8.1.x <= 8.1.12 fail to enforce proper access controls for channel and team membership when linking a playbook run to a channel which allows members to link their runs to private channels they were not members of.

CVSS v3 5.9 MEDIUM

5.9^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.6 / Impact : 4.2

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

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

30 Sep 2025, 15:24

Type	Values Removed	Values Added
CWE		CWE-639
CPE		cpe:2.3:a:mattermost:mattermost_server::::::::
References	~~() https://mattermost.com/security-updates -~~	() https://mattermost.com/security-updates - Vendor Advisory
First Time		Mattermost Mattermost mattermost Server

21 Nov 2024, 09:14

Type	Values Removed	Values Added
References	~~() https://mattermost.com/security-updates -~~	() https://mattermost.com/security-updates -

28 May 2024, 12:39

Type	Values Removed	Values Added
Summary		(es) Las versiones 9.5.x <= 9.5.3, 9.6.x <= 9.6.1, 8.1.x <= 8.1.12 de Mattermost no aplican controles de acceso adecuados para la membresía del canal y del equipo al vincular la ejecución de un libro de jugadas a un canal que permite a los miembros vincular sus ejecuciones a canales privados de los que no eran miembros.

26 May 2024, 14:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2024-05-26 14:15

Updated : 2025-09-30 15:24

NVD link : CVE-2024-32045

Mitre link : CVE-2024-32045

CVE.ORG link : CVE-2024-32045

JSON object : View

Products Affected

mattermost

mattermost_server

CWE

CWE-284

Improper Access Control

CWE-639

Authorization Bypass Through User-Controlled Key

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