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Status published
Medium
CVE-2025-24920
Unauthorized Bookmark Creation and Modification in Archived Channels
Vulnerability 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
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Caleb Roseland
References
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Affected Vendor
Mattermost
View all reports →Affected Software
Mattermost
Vulnerable Versions:
10.4.0, 10.3.0, 9.11.0, 10.5.0, 10.6.0, 10.4.3, 10.3.4, 9.11.9, 10.5.1
Timeline
Official Publish:
March 21st, 2025
Last Modified:
March 21st, 2025
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N