CVE-2023-1774
MEDIUM5.4EPSS 0.16%Mattermost fails to properly authentication inviter's permissions to private channel
Published: 3/31/2023Modified: 4/3/2025
Description
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.
Affected packages (4)
- Bitnami/mattermostfrom 0, < 7.1.6 | >= 7.7.1, <= 7.7.1
- Go/github.com/mattermost/mattermost-server>= 3.3.0, < 7.1.6
- Go/github.com/mattermost/mattermost-server/v5>= 5.0.0, < 7.1.6
- Go/github.com/mattermost/mattermost-server/v6>= 6.0.0, < 7.1.6
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N |