CVE-2025-24920

Unauthorized Bookmark Creation and Modification in Archived Channels

Published Mar 21, 2025 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
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

Remediation

Vendor Solution

Update Mattermost to versions 10.6.0, 10.4.3, 10.3.4, 9.11.9, 10.5.1 or higher.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-7226 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
Github GHSA Github GHSA GHSA-rp74-x43m-cpw3 Mattermost Fails to Restrict Bookmark Creation and Updates in Archived Channels
References
History
Type Values Removed Values Added
First Time appeared Mattermost
Mattermost mattermost Server
CPEs cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
Vendors & Products Mattermost
Mattermost mattermost Server
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values 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
Title Unauthorized Bookmark Creation and Modification in Archived Channels
Weaknesses CWE-863
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Mattermost
Published
Updated
Mar 21, 2025, 12:28 PM
Reserved
Mar 20, 2025, 8:20 AM
Status
Analyzed
Published
Mar 21, 2025, 9:15 AM
Modified
Jun 17, 2026, 8:59 AM