GHSA-247x-7qw8-fp98
Mattermost doesn't rate limit login requests, allowing DoS
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| Go | github.com/mattermost/mattermost-server | >= 11.4.0-rc1, < 11.4.1 | 11.4.1 |
| Go | github.com/mattermost/mattermost-server | >= 11.3.0-rc1, < 11.3.2 | 11.3.2 |
| Go | github.com/mattermost/mattermost-server | >= 11.2.0-rc1, < 11.2.4 | 11.2.4 |
| Go | github.com/mattermost/mattermost-server | >= 10.11.0-rc1, < 10.11.12 | 10.11.12 |
Details
As written in the advisory (Markdown source, shown as plain text).
Mattermost versions 11.4.x <= 11.4.0, 11.3.x <= 11.3.1, 11.2.x <= 11.2.3, 10.11.x <= 10.11.11 fail to rate limit login requests which allows unauthenticated remote attackers to cause denial of service (server crash and restart) via HTTP/2 single packet attack with 100+ parallel login requests.. Mattermost Advisory ID: MMSA-2025-00566
References
External links from the advisory. They lead to third-party sites.