CVE-2025-3913: Mattermost improperly allows team administrators to modify team invites

May 29, 2025

Mattermost versions 10.7.x <= 10.7.0, 10.6.x <= 10.6.2, 10.5.x <= 10.5.3, 9.11.x <= 9.11.12 fail to properly validate permissions when changing team privacy settings, allowing team administrators without the ‘invite user’ permission to access and modify team invite IDs via the /api/v4/teams/:teamId/privacy endpoint.

References

github.com/advisories/GHSA-4mmr-2w8p-whcr
github.com/mattermost/mattermost
github.com/mattermost/mattermost/commit/02c76784380acb6802601bd24c205553b9a5a1be
mattermost.com/security-updates
nvd.nist.gov/vuln/detail/CVE-2025-3913

Code Behaviors & Features

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