CVE-2025-58075: Mattermost has a Missing Authorization vulnerability
Mattermost versions 10.11.x <= 10.11.1, 10.10.x <= 10.10.2, 10.5.x <= 10.5.10 fail to verify a user has permission to join a Mattermost team using the original invite token which allows any attacked to join any team on a Mattermost server regardless of restrictions via manipulating the RelayState.
References
- github.com/advisories/GHSA-r6qj-894f-5hr2
- github.com/mattermost/mattermost
- github.com/mattermost/mattermost/commit/0e478b2d895e89143c7732c7b33e16d98ace663d
- github.com/mattermost/mattermost/commit/2d5cdc6e217eb244e7f2122cb89f85140b6d982a
- github.com/mattermost/mattermost/commit/7a2ac23e207429d7db8acc3770908c15c0b5c33e
- mattermost.com/security-updates
- nvd.nist.gov/vuln/detail/CVE-2025-58075
Code Behaviors & Features
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