GHSA-9hj7-v56g-rhf6
Mattermost fails to properly authentication inviter's permissions to private channel
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| Go | github.com/mattermost/mattermost-server | >= 3.3.0, < 7.1.6 | 7.1.6 |
| Go | github.com/mattermost/mattermost-server | >= 7.7.0, < 7.7.2 | 7.7.2 |
| Go | github.com/mattermost/mattermost-server | >= 7.1.0, < 7.1.6 | 7.1.6 |
| Go | github.com/mattermost/mattermost-server/v5 | >= 5.0.0, < 7.1.6 | 7.1.6 |
| Go | github.com/mattermost/mattermost-server/v6 | >= 6.0.0, < 7.1.6 | 7.1.6 |
Details
As written in the advisory (Markdown source, shown as plain text).
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
References
External links from the advisory. They lead to third-party sites.