CVE-2025-8285
BaseFortify
Publication date: 2025-08-11
Last updated on: 2025-09-24
Assigner: Mattermost, Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| mattermost | confluence | to 1.5.0 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-862 | The product does not perform an authorization check when an actor attempts to access a resource or perform an action. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability exists in Mattermost Confluence Plugin versions before 1.5.0, where the plugin does not properly verify if a user has access to a channel before allowing them to create a channel subscription via an API call. This means an attacker can create subscriptions to channels they should not have access to.
How can this vulnerability impact me? :
An attacker exploiting this vulnerability can subscribe to channels without proper authorization, potentially gaining access to notifications or information from channels they are not permitted to view. This could lead to unauthorized information disclosure or privacy breaches.