CVE-2025-44004 Unauthenticated Channel Subscription Creation in Mattermost Confluence Plugin

Mattermost Confluence Plugin version 1.5.0 fails to check the authorization of the user to the Mattermost instance which allows attackers to create a channel subscription without proper authorization via API call to the create channel subscription endpoint...

CVE-2025-44004

Affected: Mattermost Confluence Plugin (

CVE-2025-44004

Mattermost Confluence Plugin version 1.5.0 fails to check the authorization of the user to the Mattermost instance which allows attackers to create a channel subscription without proper authorization via API call to the create channel subscription endpoint...

CVE-2025-44004 Unauthenticated Channel Subscription Creation in Mattermost Confluence Plugin

Mattermost Confluence Plugin version 1.5.0 fails to check the authorization of the user to the Mattermost instance which allows attackers to create a channel subscription without proper authorization via API call to the create channel subscription endpoint...

CVE-2025-44004 Unauthenticated Channel Subscription Creation in Mattermost Confluence Plugin

Mattermost Confluence Plugin version 1.5.0 fails to check the authorization of the user to the Mattermost instance which allows attackers to create a channel subscription without proper authorization via API call to the create channel subscription endpoint...

CVE-2025-44001

CVE-2025-44001 concerns the Mattermost Confluence Plugin where versions

CVE-2025-44001 Unauthorized Channel Subscription Read in Mattermost Confluence Plugin

Mattermost Confluence Plugin version 1.5.0 fails to check the access of the user to the channel which allows attackers to get channel subscription details without proper access to the channel via API call to the Get Channel Subscriptions details endpoint...

CVE-2025-53910: Missing Authorization

Mattermost Confluence Plugin version 1.5.0 fails to check the access of the user to the channel which allows attackers to create a channel subscription without proper access to the channel via API call to the edit channel subscription endpoint...

CVE-2025-54525: Improper Validation of Specified Type of Input

Mattermost Confluence Plugin version 1.5.0 fails to handle unexpected request body which allows attackers to crash the plugin via constant hit to create channel subscription endpoint with an invalid request body...

CVE-2025-53857: Missing Authorization

Mattermost Confluence Plugin version 1.5.0 fails to check the access of the user to the channel which allows attackers to get channel subscription details without proper access to the channel via API call to the GET autocomplete/GetChannelSubscriptions endpoint...

CVE-2025-54478: Missing Authentication for Critical Function

Mattermost Confluence Plugin version 1.5.0 fails to enforce authentication of the user to the Mattermost instance which allows unauthenticated attackers to edit channel subscriptions via API call to the edit channel subscription endpoint...

CVE-2025-8285: Missing Authorization

Mattermost Confluence Plugin version 1.5.0 fails to check the access of the user to the channel which allows attackers to create channel subscription without proper access to the channel via API call to the create channel subscription endpoint...

CVE-2025-52931: Improper Check for Unusual or Exceptional Conditions

Mattermost Confluence Plugin version 1.5.0 fails to handle unexpected request body which allows attackers to crash the plugin via constant hit to update channel subscription endpoint with an invalid request body...

CVE-2025-44004: Missing Authentication for Critical Function

Mattermost Confluence Plugin version 1.5.0 fails to check the authorization of the user to the Mattermost instance which allows attackers to create a channel subscription without proper authorization via API call to the create channel subscription endpoint...

PT-2025-32571

Name of the Vulnerable Software and Affected Versions: Mattermost Confluence Plugin versions prior to 1.5.0 Description: The Mattermost Confluence Plugin does not verify user authorization to the Mattermost instance, enabling attackers to create channel subscriptions without proper authorization...