CVE-2024-31859

Mattermost versions 9.5.x <= 9.5.3, 9.6.x <= 9.6.1 and 8.1.x <= 8.1.12 fail to perform proper authorization checks which allows a member running a playbook in an existing channel to be promoted to a channel admin

CVSS v3 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

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, 15:20

Type	Values Removed	Values Added
References	~~() https://mattermost.com/security-updates -~~	() https://mattermost.com/security-updates - Vendor Advisory
CPE		cpe:2.3:a:mattermost:mattermost_server::::::::
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 y 8.1.x <= 8.1.12 de Mattermost no realizan las comprobaciones de autorización adecuadas, lo que permite que un miembro que ejecuta un libro de estrategias en un canal existente sea promovido a un administrador del canal

26 May 2024, 14:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2024-05-26 14:15

Updated : 2025-09-30 15:20

NVD link : CVE-2024-31859

Mitre link : CVE-2024-31859

CVE.ORG link : CVE-2024-31859

JSON object : View

Products Affected

mattermost

mattermost_server

CWE

CWE-284

Improper Access Control

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