CVE-2025-53910 – Mattermost Confluence Plugin Authentication Bypass

The following table lists the changes that have been made to the
CVE-2025-53910 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Aug. 11, 2025

    Action Type Old Value New Value
    Added 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.
    Added CVSS V3.1 AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N
    Added CWE CWE-862
    Added Reference https://mattermost.com/security-updates
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