Security Advisory
CVE-2025-58075
8.1
HIGH
Vulnerability Description
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
Published Date
October 16, 2025
Official Source
NIST NVD Advisory