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Status published
Low
CVE-2025-22449
Access control flaw for team admins allows unauthorized team additions
Vulnerability Description
Mattermost versions 9.11.x <= 9.11.5 fail to enforce invite permissions, which allows team admins, with no permission to invite users to their team, to invite users by updating the "allow_open_invite" field via making their team public.
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:
- omar ahmed (omar-ahmed)
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Affected Vendor
Mattermost
View all reports →Affected Software
Mattermost
Vulnerable Versions:
9.11.0, 10.3.0, 9.11.6
Timeline
Official Publish:
January 9th, 2025
Last Modified:
January 9th, 2025
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N