Description
Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.x <= 9.10.0 and 9.8.x <= 9.8.2 fail to ensure that remote/synthetic users cannot create sessions or reset passwords, which allows the munged email addresses, created by shared channels, to be used to receive email notifications and to reset passwords, when they are valid, functional emails.
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