Total vulnerabilities in the database
Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6 fail to properly validate synced reactions, when shared channels are enabled, which allows a malicious remote to create arbitrary reactions on arbitrary posts
Software | From | Fixed in |
---|---|---|
![]() |
9.5.0 | 9.5.7 |
![]() |
9.9.0 | 9.9.0.x |
![]() |
9.9.0 | 9.9.1 |
mattermost / mattermost | 9.5.0 | 9.5.7 |
mattermost / mattermost | 9.9.0 | 9.9.0.x |