Description
Mattermost versions 9.5.x <= 9.5.3, 9.6.x <= 9.6.1, 8.1.x <= 8.1.12 fail to enforce proper access controls for channel and team membership when linking a playbook run to a channel which allows members to link their runs to private channels they were not members of.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Mattermost Mattermost
Default version status: unaffected
9.5.0 to ≤ 9.5.3affected9.6.0 to ≤ 9.6.1affected8.1.0 to ≤ 8.1.12affected9.7.0unaffected9.5.4unaffected9.6.2unaffected8.1.13unaffected