GitHub Advisoryadvisory · Go

GHSA-4fwj-8595-wp25 Mattermost has Insufficiently Protected Credentials

LOW Published 2025-07-18 Modified 2025-07-21 Official page ↗
Aliases
CVE-2025-6227
Ecosystem
Go
Packages
github.com/mattermost/mattermost-server, github.com/mattermost/mattermost/server/v8
Severity
Low
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N
Weaknesses
CWE-522
Reviewed
2025-07-21

Affected packages

• Go github.com/mattermost/mattermost-server: >= 10.5.0, < 10.5.8 → fixed in 10.5.8 • Go github.com/mattermost/mattermost-server: >= 9.11.0, < 9.11.17 → fixed in 9.11.17 • Go github.com/mattermost/mattermost/server/v8: < 8.0.0-20250612074655-8f8612c63783 → fixed in 8.0.0-20250612074655-8f8612c63783

Description

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.

Related

Alias · CVE (1)

  • CVE-2025-6227 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… vulnerability

Weakness · CWE (1)

  • CWE-522 Insufficiently Protected Credentials weakness

References