CVE-2024-31859

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CVSS 3.1

6.3 medium

EPSS

<1%p15

Published

May 26, 2024 (May 26, 2024)

Modified

Jun 17, 2026

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

Vendors: mattermost
Products: mattermost server
Weakness: CWE-284
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

NVD CVE.org GitHub PoCs EPSS (0.2%)

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