Vulnerability DatabaseCVE-2025-6233
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CVE-2025-6233
July 18, 2025
Mattermost versions 10.8.x <= 10.8.1, 10.7.x <= 10.7.3, 10.5.x <= 10.5.7, 9.11.x <= 9.11.16 fail to sanitize input paths of file attachments in the bulk import JSONL file, which allows a system admin to read arbitrary system files via path traversal.
Affected Packages
github.com/mattermost/mattermost (GO):
Affected version(s) >=v9.11.0+incompatible <v9.11.17
Fix Suggestion:
Update to version v9.11.17
github.com/mattermost/mattermost (GO):
Affected version(s) >=v10.5.0+incompatible <v10.5.8
Fix Suggestion:
Update to version v10.5.8
github.com/mattermost/mattermost-server (GO):
Affected version(s) >=v9.11.0 <v9.11.17
Fix Suggestion:
Update to version v9.11.17
github.com/mattermost/mattermost (GO):
Affected version(s) =v10.8.0+incompatible <v10.8.2
Fix Suggestion:
Update to version v10.8.2
github.com/mattermost/mattermost-server (GO):
Affected version(s) >=v10.5.0 <v10.5.8
Fix Suggestion:
Update to version v10.5.8
github.com/mattermost/mattermost (GO):
Affected version(s) >=v10.7.0+incompatible <v10.7.4
Fix Suggestion:
Update to version v10.7.4
github.com/mattermost/mattermost-server (GO):
Affected version(s) >=v10.7.0 <v10.7.4
Fix Suggestion:
Update to version v10.7.4
github.com/mattermost/mattermost-server (GO):
Affected version(s) >=v10.8.0 <v10.8.2
Fix Suggestion:
Update to version v10.8.2
github.com/mattermost/mattermost/server/v8 (GO):
Affected version(s) >=v8.0.0-20230429093631-aac4f2337933 <v8.0.0-20250529054450-d38c27f96fcf
Fix Suggestion:
Update to version v8.0.0-20250529054450-d38c27f96fcf
Related Resources (1)
https://mattermost.com/security-updates
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CVSS v4
Base Score:
8.2
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
HIGH
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CWE-22
EPSS
Base Score:
0.06