CVE-2025-58075
Published:October 16, 2025
Updated:May 16, 2026
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
Affected Packages
github.com/mattermost/mattermost-server (GO):
Affected version(s) >=v10.11.0 <v10.11.2Fix Suggestion:
Update to version v10.11.2github.com/mattermost/mattermost (GO):
Affected version(s) >=v10.10.0 <v10.10.3Fix Suggestion:
Update to version v10.10.3github.com/mattermost/mattermost (GO):
Affected version(s) >=v10.5.0 <v10.5.11Fix Suggestion:
Update to version v10.5.11github.com/mattermost/mattermost-server (GO):
Affected version(s) >=v10.10.0 <v10.10.3Fix Suggestion:
Update to version v10.10.3github.com/mattermost/mattermost-server (GO):
Affected version(s) >=v10.5.0 <v10.5.11Fix Suggestion:
Update to version v10.5.11Related Resources (7)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.6
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.1
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Missing Authorization
EPSS
Base Score:
0.05