Improper Permission Handling in Mattermost Affects Team Privacy Settings
CVE-2025-3913
What is CVE-2025-3913?
Mattermost versions up to 10.7.0, 10.6.2, 10.5.3, and 9.11.12 are susceptible to an issue that allows team administrators to modify team invite IDs without proper permissions. This vulnerability occurs due to insufficient validation of user permissions at the API endpoint /api/v4/teams/:teamId/privacy, potentially leading to unauthorized access and manipulation of team invite settings. Organizations utilizing these Mattermost versions should take action to mitigate the risks associated with this vulnerability.

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Affected Version(s)
Mattermost 10.7.0
Mattermost 10.6.0 <= 10.6.2
Mattermost 10.5.0 <= 10.5.3
References
CVSS V3.1
Timeline
Vulnerability published
Vulnerability Reserved