medium5.4
CVE-2023-1774
Mattermost fails to properly authentication inviter's permissions to private channel
Impact
When processing an email invite to a private channel on a team, Mattermost fails to validate the inviter's permission to that channel, allowing an attacker to invite themselves to a private channel. [Issue Identifier](https://mattermost.com/security-updates/): MMSA-2023-00137
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| go | github.com/mattermost/mattermost-server | >= 3.3.0, <= 4.10.10 | 7.1.6 |
| go | github.com/mattermost/mattermost-server/v5 | >= 5.0.0, <= 5.39.3 | 7.1.6 |
| go | github.com/mattermost/mattermost-server/v6 | >= 6.0.0, <= 6.7.2 | 7.1.6 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mattermost | Mattermost Server | before 7.1.6 Version 7.7.1 |