NetSight
low2.2

CVE-2025-6227

Mattermost has Insufficiently Protected Credentials

Impact

Mattermost versions 10.5.x <= 10.5.7, 9.11.x <= 9.11.16 fail to negotiate a new token when accepting the invite which allows a user that intercepts both invite and password to send synchronization payloads to the server that originally created the invite via the REST API.

Affected packages

EcosystemPackageAffectedFixed in
gogithub.com/mattermost/mattermost-server>= 10.5.0, < 10.5.810.5.8
gogithub.com/mattermost/mattermost/server/v8< 8.0.0-20250612074655-8f8612c637838.0.0-20250612074655-8f8612c63783

Affected products

VendorProductAffected versions
MattermostMattermost Server
from 9.11.0 before 9.11.17
from 10.5.0 before 10.5.8

Weakness classification

References