CVE-2024-31859

MEDIUM

Mattermost <9.5.4, <9.6.2, <8.1.13 - Privilege Escalation

Title source: llm
STIX 2.1

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

References (1)

Core 1
Core References

Scores

CVSS v3 4.3
EPSS 0.0011
EPSS Percentile 28.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-284
Status published
Products (1)
mattermost/mattermost_server 8.1.0 - 8.1.13
Published May 26, 2024
Tracked Since Feb 18, 2026