CVE-2025-24920 – Mattermost Bookmark Creation and Update in Archived Channels Unauthorized Access Vulnerability

The following table lists the changes that have been made to the
CVE-2025-24920 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]

    Mar. 21, 2025

    Action Type Old Value New Value
    Added Description Mattermost versions 10.4.x <= 10.4.2, 10.3.x <= 10.3.3, 9.11.x <= 9.11.8, 10.5.x <= 10.5.0 fail to restrict bookmark creation and updates in archived channels, which allows authenticated users created or update bookmarked in archived channels
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
    Added CWE CWE-863
    Added Reference https://mattermost.com/security-updates
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