CVE-2025-54525
High
Description
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.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Mattermost Confluence
PublishedAug 11, 2025
First seenAug 11, 2025
Weakness typeCWE-1287CWE-1287
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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