NetSight
medium4.9

CVE-2025-11794

Mattermost allows system administrators to access password hashes and MFA secrets

Impact

Mattermost versions 10.11.x <= 10.11.3, 10.5.x <= 10.5.11, 10.12.x <= 10.12.0 fail to sanitize user data which allows system administrators to access password hashes and MFA secrets via the POST /api/v4/users/{user_id}/email/verify/member endpoint

Affected packages

EcosystemPackageAffectedFixed in
gogithub.com/mattermost/mattermost-server>= 10.11.0, < 10.11.410.11.4
gogithub.com/mattermost/mattermost/server/v8< 8.0.0-20250929212932-a41db04d27468.0.0-20250929212932-a41db04d2746

Affected products

VendorProductAffected versions
MattermostMattermost Server
from 10.5.0 before 10.5.12
from 10.11.0 before 10.11.4
from 10.12.0 before 10.12.1

Weakness classification

References