low3.8
CVE-2024-39837
Mattermost did not properly restrict channel creation
Impact
Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6 fail to properly restrict channel creation which allows a malicious remote to create arbitrary channels, when shared channels were enabled.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| go | github.com/mattermost/mattermost/server/v8 | >= 9.5.0, < 9.5.7 | 9.5.7 |
| go | github.com/mattermost/mattermost-server | = 9.9.0 | 9.9.1 |
| go | github.com/mattermost/mattermost-server/v5 | < 5.3.2-0.20240626164322-c758cecaf30c | 5.3.2-0.20240626164322-c758cecaf30c |
| go | github.com/mattermost/mattermost-server/v6 | < 6.0.0-20240626164322-c758cecaf30c | 6.0.0-20240626164322-c758cecaf30c |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mattermost | Mattermost Server | from 9.5.0 before 9.5.7 Version 9.9.0 |