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 channel subscription endpoint. An attacker can create unauthorized channel subscriptions by making API calls without proper access checks. Remediation Upgrade...

GHSA-QJRX-J8WM-XF83 Mattermost Confluence Plugin has Missing Authorization vulnerability

Mattermost Confluence Plugin versions 1.5.0 fail 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...

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...

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...

Mattermost Confluence Plugin has Missing Authorization vulnerability

Mattermost Confluence Plugin versions 1.5.0 fail to check user access to the channel, allowing attackers to create a channel subscription without proper access to the channel via an API call to the edit channel subscription endpoint...

Mattermost Confluence Plugin is 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...

CVE-2025-54478

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-2025-54525

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-2025-53910

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...

CVE-2025-52931

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-2025-8285

Mattermost Confluence Plugin has a Missing Authorization vulnerability in versions

CVE-2025-8285 Unauthorized Channel Subscription Creation 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 create channel subscription without proper access to the channel via API call to the create channel subscription endpoint...

CVE-2025-8285 Unauthorized Channel Subscription Creation 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 create channel subscription without proper access to the channel via API call to the create channel subscription endpoint...

CVE-2025-8285 Unauthorized Channel Subscription Creation 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 create channel subscription without proper access to the channel via API call to the create channel subscription endpoint...

CVE-2025-54525 Unexpected input to Create Channel Subscription endpoint causes DoS in Mattermost Confluence Plugin

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-2025-54525 Unexpected input to Create Channel Subscription endpoint causes DoS in Mattermost Confluence Plugin

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-2025-54525 Unexpected input to Create Channel Subscription endpoint causes DoS in Mattermost Confluence Plugin

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-2025-54525

Mattermost Confluence Plugin (github.com/mattermost/mattermost-plugin-confluence) is affected by CVE-2025-54525. Versions older than 1.5.0 fail to properly handle an unexpected request body to the create channel subscription endpoint, which can cause the plugin to crash (DoS) under constant inval...

CVE-2025-53910 Unauthorized Channel Subscription Edit 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 create a channel subscription without proper access to the channel via API call to the edit channel subscription endpoint...