Unauthorized Channel Subscription Creation in Mattermost Confluence Plugin_CVE-2025-8285

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MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N

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.

Basic Information

ID CVE-2025-8285

Source Mattermost

Published Aug 11, 2025 at 18:57

Modified Aug 11, 2025 at 19:41

Affected Product

Vendor Mattermost

Product Mattermost Confluence Plugin

Affected Versions Mattermost Mattermost Confluence Plugin 0

CWE Classification

CWE-862

References

mattermost.com /security-updates

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    "published": "2025-08-11T18:57:07.701Z",
    "modified": "2025-08-11T19:41:20.762Z",
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