CVE-2025-44004
Unknown
Unknown - Not Provided
BaseFortify
Publication date: 2025-08-11
Last updated on: 2025-09-25
Assigner: Mattermost, Inc.
Description
Description
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.
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
KEV
| CWE ID | Description |
|---|---|
| CWE-306 | The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
Mattermost Confluence Plugin versions before 1.5.0 do not verify if a user is authorized to access the Mattermost instance when creating a channel subscription. This flaw allows attackers to create channel subscriptions via the API without proper authorization.
How can this vulnerability impact me? :
An attacker can exploit this vulnerability to create unauthorized channel subscriptions, potentially leading to unauthorized access to information or communication channels within Mattermost, which could result in information disclosure or misuse.
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