Improper Access Control

github.com/mattermost/mattermost-plugin-confluence is vulnerable to Improper Access Control. The vulnerability is due to a failure to verify user access to a channel, which allows an attacker to retrieve channel subscription details without proper authorization via the API endpoint...

Improper Authorization

github.com/mattermost/mattermost-plugin-confluence is vulnerable to improper authorization. The vulnerability is due to failing to check user authorization in the Mattermost instance, which allows an attacker to create a channel subscription without proper authorization via an API call to the...

SUSE CVE-2025-53514

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

SUSE CVE-2025-53910

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...

SUSE CVE-2025-54458

Mattermost Confluence Plugin version 1.5.0 fails to check the access of the user to the Confluence space which allows attackers to create a subscription for a Confluence space the user does not have access to via the create subscription endpoint...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization due to improper validating access controls at time of access. An attacker can gain unauthorized access to thread content by leveraging AI-generated posts. Remediation Upgrade...

CVE-2025-36530 Import Path Traversal Enables Unauthorized Unsigned Plugin Installation

Mattermost versions 10.9.x = 10.9.1, 10.8.x = 10.8.3, 10.5.x = 10.5.8, 9.11.x = 9.11.17 fail to properly validate file paths during plugin import operations which allows restricted admin users to install unauthorized custom plugins via path traversal in the import functionality, bypassing plugin...

CVE-2025-36530 Import Path Traversal Enables Unauthorized Unsigned Plugin Installation

Mattermost versions 10.9.x = 10.9.1, 10.8.x = 10.8.3, 10.5.x = 10.5.8, 9.11.x = 9.11.17 fail to properly validate file paths during plugin import operations which allows restricted admin users to install unauthorized custom plugins via path traversal in the import functionality, bypassing plugin...

GO-2025-3869 Mattermost Confluence Plugin has Missing Authorization vulnerability in github.com/mattermost/mattermost-plugin-confluence

Mattermost Confluence Plugin has Missing Authorization vulnerability in github.com/mattermost/mattermost-plugin-confluence...

CVE-2025-44001

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...

Missing Authorization

Overview Affected versions of this package are vulnerable to Missing Authorization via the create channel subscription endpoint. An attacker can create unauthorized channel subscriptions by making API calls without proper access checks. Remediation Upgrade...

Improper Validation of Specified Type of Input

Overview Affected versions of this package are vulnerable to Improper Validation of Specified Type of Input via the create channel subscription endpoint when unexpected request bodies are not properly handled. An attacker can cause the plugin to crash by repeatedly sending invalid request bodies...

Missing Authentication for Critical Function

Overview Affected versions of this package are vulnerable to Missing Authentication for Critical Function due to an API call to edit the channel subscription endpoint. An attacker can modify channel subscriptions by sending unauthorized API requests. Remediation Upgrade...

Improper Check for Unusual or Exceptional Conditions

Overview Affected versions of this package are vulnerable to Improper Check for Unusual or Exceptional Conditions due to improper handling of unexpected request bodies in the update channel subscription endpoint. An attacker can cause the plugin to crash by repeatedly sending invalid request bodi...

Missing Authorization

Overview Affected versions of this package are vulnerable to Missing Authorization via the create subscription endpoint. An attacker can gain unauthorized access to information by creating a subscription to a resource without proper access rights. Remediation Upgrade...

Missing Authorization

Overview Affected versions of this package are vulnerable to Missing Authorization via the GET autocomplete/GetChannelSubscriptions endpoint. An attacker can retrieve channel subscription details by making unauthorized API calls. Remediation Upgrade...

Improper Check for Unusual or Exceptional Conditions

Overview Affected versions of this package are vulnerable to Improper Check for Unusual or Exceptional Conditions due to improper handling of unexpected request bodies in the update channel subscription endpoint. An attacker can cause the plugin to crash by repeatedly sending invalid request bodi...

Missing Authentication for Critical Function

Overview Affected versions of this package are vulnerable to Missing Authentication for Critical Function due to an API call to edit the channel subscription endpoint. An attacker can modify channel subscriptions by sending unauthorized API requests. Remediation Upgrade...

Missing Authorization

Overview Affected versions of this package are vulnerable to Missing Authorization via the edit subscription endpoint. An attacker can gain unauthorized access to edit subscriptions for spaces they do not have permission to access by sending crafted requests. Remediation Upgrade...

Missing Authentication for Critical Function

Overview Affected versions of this package are vulnerable to Missing Authentication for Critical Function via the create channel subscription endpoint, which fails to check the authorization of the user. An attacker can gain unauthorized access to create channel subscriptions by making API calls...