GHSA-mqp8-pgg5-7x7mMediumCVSS 4.9

Mattermost allows system administrators to access password hashes and MFA secrets

Published
November 14, 2025
Last Modified
November 17, 2025

🔗 CVE IDs covered (1)

📋 Description

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 products4

  • go/github.com/mattermost/mattermost-server:>= 10.11.0, < 10.11.4
  • go/github.com/mattermost/mattermost-server:>= 10.5.0, < 10.5.12
  • go/github.com/mattermost/mattermost-server:>= 10.12.0, < 10.12.1
  • go/github.com/mattermost/mattermost/server/v8:< 8.0.0-20250929212932-a41db04d2746

🔗 References (8)