CVE-2024-24776

LOW

Mattermost < 8.1.7 and 8.1.8 - Unauthenticated Channel Member Count Leak via API

Title source: llm

Description

Mattermost fails to check the required permissions in the POST /api/v4/channels/stats/member_count API resulting in channel member counts being leaked to a user without permissions.

References (1)

Core 1

Core References

Vendor Advisory

https://mattermost.com/security-updates

Scores

CVSS v3 3.1

EPSS 0.0016

EPSS Percentile 36.7%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-284

Status published

Products (2)

mattermost/mattermost 0 - 8.1.8Go

mattermost/mattermost_server < 8.1.7

Published Feb 09, 2024

Tracked Since Feb 18, 2026