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CVE-2025-47871

nvd nist
Published: Jun 30, 2025Modified: Jul 8, 2025

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5.4
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Exploitability: 2.8 / Impact: 2.5
Source: NVD

Description

Mattermost versions 10.5.x <= 10.5.5, 9.11.x <= 9.11.15, 10.8.x <= 10.8.0, 10.7.x <= 10.7.2, 10.6.x <= 10.6.5 fail to properly validate channel membership when retrieving playbook run metadata, allowing authenticated users who are playbook members but not channel members to access sensitive information about linked private channels including channel name, display name, and participant count through the run metadata API endpoint.

Affected (8)

Mattermost
1 product
Mattermost Server
Configuration A
8 vulnerable
Vulnerable SoftwareAffected Versions
Mattermost
Mattermost Server
From 10.5.0 to 10.5.6
Mattermost Server
From 10.6.0 to 10.6.6
Mattermost Server
From 10.7.0 to 10.7.3
Mattermost Server
From 9.11.0 to 9.11.16
Mattermost Server
Version 10.8.0
Mattermost Server
Version 10.8.0 rc1
Mattermost Server
Version 10.8.0 rc2
Mattermost Server
Version 10.8.0 rc3

Related CWEs

CWE-863
Incorrect Authorization
The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.

References (1)

Source: responsibledisclosure@mattermost.com
Vendor Advisory

Timeline

No history available yet.