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Mend.io Vulnerability Database
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CVE-2025-47871
Good to know:
Date: June 30, 2025
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.
Severity Score
Severity Score
Weakness Type (CWE)
Incorrect Authorization
CWE-863Top Fix
Upgrade Version
Upgrade to version github.com/mattermost/mattermost - v9.11.16;github.com/mattermost/mattermost - v10.5.6;github.com/mattermost/mattermost - v10.6.6;github.com/mattermost/mattermost - v10.7.3;github.com/mattermost/mattermost - v10.8.1;github.com/mattermost/mattermost-server - v0.0.0-20250513065225-4ae5d647fb88;github.com/mattermost/mattermost/server/v8 - v8.0.0-20250513065225-4ae5d647fb88
CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | NETWORK |
| Attack Complexity (AC): | LOW |
| Privileges Required (PR): | LOW |
| User Interaction (UI): | NONE |
| Scope (S): | UNCHANGED |
| Confidentiality (C): | NONE |
| Integrity (I): | LOW |
| Availability (A): | NONE |