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CVE-2025-46702
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 enforce channel member management permissions when adding participants to playbook runs. This allows authenticated users with member-level permissions to bypass system admin restrictions and add or remove users to/from private channels via the playbook run participants feature, even when the 'Manage Members' permission has been explicitly removed. This can lead to unauthorized access to sensitive channel content and allow guest users to gain channel management privileges.
Severity Score
Related Resources (7)
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): | LOW |
| Integrity (I): | LOW |
| Availability (A): | NONE |