CVE-2025-53910
Medium
Description
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.
SeverityMedium
CVSS4.0
Exploit probability—
Product
Mattermost Confluence
PublishedAug 11, 2025
First seenAug 11, 2025
Weakness typeCWE-862Missing authorization
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 |
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