Description
A race condition in Mattermost versions 8.1.x before 8.1.9, and 9.4.x before 9.4.2 allows an authenticated attacker to gain unauthorized access to individual posts' contents via carefully timed post creation while another user deletes posts.
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
8.1.0 to ≤ 8.1.8affected9.4.0 to ≤ 9.4.1affected9.5unaffected9.4.2unaffected8.1.9unaffected