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Mend.io Vulnerability Database
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CVE-2025-3227
Good to know:
Date: June 20, 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 in playbook runs, allowing authenticated users without the 'Manage Channel Members' permission to add or remove users from public and private channels by manipulating playbook run participants when the run is linked to a channel.
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 - 10.5.6;github.com/mattermost/mattermost - 10.6.5;github.com/mattermost/mattermost - 10.7.3;github.com/mattermost/mattermost - v10.8.1;github.com/mattermost/mattermost-server - v0.0.0-20250520060012-d0380305ef7a;github.com/mattermost/mattermost/server/v8 - v8.0.0-20250520060012-d0380305ef7a
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): | NONE |
| Availability (A): | NONE |