Unauthorized Channel Subscription Edit in Mattermost Confluence Plugin_CVE-2025-53910

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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 a channel subscription without proper access to the channel via API call to the edit channel subscription endpoint.

Basic Information

ID CVE-2025-53910

Source Mattermost

Published Aug 11, 2025 at 18:57

Modified Aug 11, 2025 at 19:37

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": "2025-08-11T18:57:03.212Z",
    "modified": "2025-08-11T19:37:44.454Z",
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