NetSight
medium6.8

CVE-2025-6233

Mattermost Path Traversal vulnerability

Impact

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

EcosystemPackageAffectedFixed in
gogithub.com/mattermost/mattermost-server>= 10.8.0, < 10.8.210.8.2
gogithub.com/mattermost/mattermost/server/v8< 8.0.0-20250529054450-d38c27f96fcf8.0.0-20250529054450-d38c27f96fcf

Affected products

VendorProductAffected versions
MattermostMattermost Server
from 9.11.0 before 9.11.17
from 10.5.0 before 10.5.8
from 10.7.0 before 10.7.4
from 10.8.0 before 10.8.2

Weakness classification

References