Missing Authorization

Overview Affected versions of this package are vulnerable to Missing Authorization via the GET subscription endpoint. An attacker can access sensitive subscription details by sending unauthorized API requests. Remediation Upgrade github.com/mattermost/mattermost-plugin-confluence/server/serialize...

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...

GHSA-CMPR-8PRQ-W5P5 Mattermost Confluence Plugin has Missing Authorization vulnerability

Mattermost Confluence Plugin versions 1.5.0 fail to check user access to Confluence spaces, which allows attackers to edit subscriptions for Confluence spaces that users do not have access to through the edit 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-2025-54458

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...

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-2025-49221

Mattermost Confluence Plugin version 1.5.0 fails to enforce authentication of the user to the Mattermost instance which allows unauthenticated attackers to access subscription details without via API call to GET subscription endpoint...

CVE-2025-48731

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

CVE-2025-8285

Mattermost Confluence Plugin has a Missing Authorization vulnerability in versions

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-2025-54458 Unauthorized Subscription Creation to Confluence Space in Mattermost Confluence Plugin

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...

CVE-2025-54458 Unauthorized Subscription Creation to Confluence Space in Mattermost Confluence Plugin

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...

CVE-2025-49221 Unauthenticated Access to Channel Subscription in Mattermost Confluence Plugin

Mattermost Confluence Plugin version 1.5.0 fails to enforce authentication of the user to the Mattermost instance which allows unauthenticated attackers to access subscription details without via API call to GET subscription endpoint...

CVE-2025-49221

The CVE-2025-49221 issue affects Mattermost Confluence Plugin versions

CVE-2025-48731 Unauthorized Subscription Edit to Confluence Space in Mattermost Confluence Plugin

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

CVE-2025-48731

Summary : CVE-2025-48731 affects Mattermost Confluence Plugin versions

CVE-2025-49221 Unauthenticated Access to Channel Subscription in Mattermost Confluence Plugin

Mattermost Confluence Plugin version 1.5.0 fails to enforce authentication of the user to the Mattermost instance which allows unauthenticated attackers to access subscription details without via API call to GET subscription endpoint...

CVE-2025-44004

Affected: Mattermost Confluence Plugin (

PT-2025-32573

Name of the Vulnerable Software and Affected Versions: Mattermost Confluence Plugin versions prior to 1.5.0 Description: The Mattermost Confluence Plugin does not enforce authentication for users accessing the Mattermost instance. This allows unauthenticated attackers to access subscription detai...