CVE-2025-44004
High
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.
SeverityHigh
CVSS7.2
Exploit probability—
Product
Mattermost Confluence
PublishedAug 11, 2025
First seenAug 11, 2025
Weakness typeCWE-306Missing authentication for critical function
How to fix
Update
- mattermost confluence1.5.0 or later
- github.com/mattermost/mattermost-plugin-confluence1.5.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mattermost confluence | v < 1.5.0 | 1.5.0 |
| github.com/mattermost/mattermost-plugin-confluenceGo | v < 1.5.0 | 1.5.0 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.