Description
Mattermost versions 9.10.x <= 9.10.2, 9.11.x <= 9.11.1, 9.5.x <= 9.5.9 fail to check that the origin of the message in an integration action matches with the original post metadata which allows an authenticated user to delete an arbitrary post.
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
9.10.0 to ≤ 9.10.2affected9.11.0 to ≤ 9.11.1affected9.5.0 to ≤ 9.5.9affected10.0.0unaffected9.10.3unaffected9.11.2unaffected9.5.10unaffected