CVE-2024-31859

Published: May 26, 2024Modified: Sep 30, 2025

6.3

Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Exploitability: 2.8 / Impact: 3.4

Source: NVD

Description

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

Affected (3)

Products: Mattermost: Mattermost Server

Mattermost

1 product

Mattermost Server

Configuration A

3 vulnerable

Vulnerable Software	Affected Versions
Mattermost Mattermost Server	From 8.1.0 to 8.1.13
Mattermost Mattermost Server	From 9.5.0 to 9.5.4
Mattermost Mattermost Server	From 9.6.0 to 9.6.2

Related CWEs

CWE-284

Improper Access Control

The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

References (2)

https://mattermost.com/security-updates

Source: responsibledisclosure@mattermost.com

Vendor Advisory

https://mattermost.com/security-updates

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.