CVE-2025-8285
Unauthorized Channel Subscription Creation in Mattermost Confluence Plugin
- State
- Published
- Severity
- 4.0 Medium
- Published
- Aug 11, 2025
- Updated
- Aug 11, 2025
- Reserved
- Jul 28, 2025
Description
Mattermost Confluence Plugin version <1.5.0 fails to check the access of the user to the channel which allows attackers to create channel subscription without proper access to the channel via API call to the create channel subscription endpoint.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 4.0 Medium | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N | Mattermost |
Weaknesses
- CWE-862 Missing Authorization
Affected Products
| Product | Versions |
|---|---|
Mattermost Confluence PluginMattermost |
|
References
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