10 matches found
SUSE CVE-2025-11777
Mattermost versions 10.11.x = 10.11.3, 10.5.x = 10.5.11 fail to properly validate team membership permissions in the Add Channel Member API which allows users from one team to access user metadata and channel membership information from other teams via the API endpoint...
Mattermost Server 10.5.x < 10.5.12 / 10.11.x 10.11.4 / 11.0.0 Missing Authorization (MMSA-2025-00518)
The version of Mattermost Server installed on the remote host is affected by a vulnerability as referenced in the MMSA-2025-00518 advisory. - Mattermost versions 10.11.x = 10.11.3, 10.5.x = 10.5.11 fail to properly validate team membership permissions in the Add Channel Member API which allows...
CVE-2025-11777
Mattermost versions 10.11.x = 10.11.3, 10.5.x = 10.5.11 fail to properly validate team membership permissions in the Add Channel Member API which allows users from one team to access user metadata and channel membership information from other teams via the API endpoint...
Incorrect Authorization
Overview Affected versions of this package are vulnerable to Incorrect Authorization due to properly validating team membership permissions in the Add Channel Member API. An attacker can obtain unauthorized access to user metadata and channel membership information from other teams by sending...
Mattermost Incorrect Authorization vulnerability
Mattermost versions 10.11.x = 10.11.3, 10.5.x = 10.5.11 fail to properly validate team membership permissions in the Add Channel Member API, which allows users from one team to access user metadata and channel membership information from other teams via the API endpoint...
CVE-2025-11777 Cross-team channel membership access
Mattermost versions 10.11.x = 10.11.3, 10.5.x = 10.5.11 fail to properly validate team membership permissions in the Add Channel Member API which allows users from one team to access user metadata and channel membership information from other teams via the API endpoint...
CVE-2025-11777 Cross-team channel membership access
Mattermost versions 10.11.x = 10.11.3, 10.5.x = 10.5.11 fail to properly validate team membership permissions in the Add Channel Member API which allows users from one team to access user metadata and channel membership information from other teams via the API endpoint...
CVE-2025-11777
Affected products/versions: Mattermost Server 10.5.x (<= 10.5.11) and 10.11.x (
PT-2025-46871
Name of the Vulnerable Software and Affected Versions Mattermost versions 10.5.0 through 10.5.11 Mattermost versions 10.11.0 through 10.11.3 Description The software does not properly validate team membership permissions in the Add Channel Member API. This allows users from one team to access use...
CVE-2025-11777: Incorrect Authorization
Mattermost versions 10.11.x = 10.11.3, 10.5.x = 10.5.11 fail to properly validate team membership permissions in the Add Channel Member API which allows users from one team to access user metadata and channel membership information from other teams via the API endpoint...