CVE-2021-37864 Users can view the contents of an archived channel when access is explicitly denied by the system admin

Mattermost 6.1 and earlier fails to sufficiently validate permissions while viewing archived channels, which allows authenticated users to view contents of archived channels even when this is denied by system administrators by directly accessing the APIs...

CVE-2021-37864

Mattermost 6.1 and earlier contain an access control error where permissions are not sufficiently validated when viewing archived channels. An authenticated user can view contents of archived channels by directly calling the APIs, despite admin-imposed restrictions. Affected component: archived c...

CVE-2021-37864 Users can view the contents of an archived channel when access is explicitly denied by the system admin

Mattermost 6.1 and earlier fails to sufficiently validate permissions while viewing archived channels, which allows authenticated users to view contents of archived channels even when this is denied by system administrators by directly accessing the APIs...