Missing Authorization

Overview github.com/mattermost/mattermost/server/channels/app is a private-cloud Slack alternative Affected versions of this package are vulnerable to Missing Authorization in the invite ID validation process. An attacker can gain unauthorized access to create accounts by using leaked invite IDs...

EUVD-2025-25420

Malicious code in bioql PyPI...

GHSA-QJ47-W9F2-QG44 Mattermost Does Not Sanitize the Team Invite ID

Mattermost versions 10.8.x = 10.8.3, 10.5.x = 10.5.8, 9.11.x = 9.11.17, 10.9.x = 10.9.2 fail to sanitize the team invite ID in the POST /api/v4/teams/:teamId/restore endpoint which allows an team admin with no member invite privileges to get the team’s invite id...

CVE-2025-47870

Mattermost versions 10.8.x = 10.8.3, 10.5.x = 10.5.8, 9.11.x = 9.11.17, 10.9.x = 10.9.2 fail to sanitize the team invite ID in the POST /api/v4/teams/:teamId/restore endpoint which allows an team admin with no member invite privileges to get the team’s invite id...

CVE-2025-47870 Team invite ID leaked to team admin with no member invite privileges

Mattermost versions 10.8.x = 10.8.3, 10.5.x = 10.5.8, 9.11.x = 9.11.17, 10.9.x = 10.9.2 fail to sanitize the team invite ID in the POST /api/v4/teams/:teamId/restore endpoint which allows an team admin with no member invite privileges to get the team’s invite id...

CVE-2025-47870

Mattermost Server contains a vulnerability where the team invite ID is not sanitized in the POST /api/v4/teams/:teamId/restore endpoint. Affected versions include Mattermost Server 9.11.x <= 9.11.17, 10.5.x <= 10.5.8, 10.8.x <= 10.8.3, and 10.9.x

PT-2025-34200 · Mattermost · Mattermost

Name of the Vulnerable Software and Affected Versions: Mattermost versions 10.5.x through 10.5.8 Mattermost versions 9.11.x through 9.11.17 Mattermost versions 10.8.x through 10.8.3 Mattermost versions 10.9.x through 10.9.2 Description: The Mattermost application fails to sanitize the team invite...

GHSA-C253-8HR4-R8V9 Mattermost Server exposes private team invite ID

An issue was discovered in Mattermost Server before 4.1.0, 4.0.4, and 3.10.3. It allows attackers to discover a team invite ID by requesting a JSON document...