Description
Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.0, 9.8.x <= 9.8.2 fail to enforce permissions which allows a guest user with read access to upload files to a channel.
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
9.9.0 to ≤ 9.9.1affected9.5.0 to ≤ 9.5.7affected9.10.0affected9.8.0 to ≤ 9.8.2affected9.11.0unaffected9.9.2unaffected9.5.8unaffected9.10.1unaffected9.8.3unaffected