Description
Mattermost versions 10.8.x <= 10.8.1, 10.7.x <= 10.7.3, 10.5.x <= 10.5.7, 9.11.x <= 9.11.16 fail to sanitize input paths of file attachments in the bulk import JSONL file, which allows a system admin to read arbitrary system files via path traversal.
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
10.8.0 to ≤ 10.8.1affected10.7.0 to ≤ 10.7.3affected10.5.0 to ≤ 10.5.7affected9.11.0 to ≤ 9.11.16affected10.9.0unaffected10.8.2unaffected10.7.4unaffected10.5.8unaffected9.11.17unaffected