GHSA-2jhx-w3vc-w59g
Mattermost allows guest user with read access to upload files to a channel
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| Go | github.com/mattermost/mattermost/server/v8 | >= 9.5.0, < 9.5.8 | 9.5.8 |
| Go | github.com/mattermost/mattermost/server/v8 | >= 9.10.0, < 9.10.1 | 9.10.1 |
| Go | github.com/mattermost/mattermost/server/v8 | >= 9.9.0, < 9.9.2 | 9.9.2 |
| Go | github.com/mattermost/mattermost/server/v8 | >= 9.8.0, < 9.8.3 | 9.8.3 |
Details
As written in the advisory (Markdown source, shown as plain text).
Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.0, 9.8.x <= 9.8.2 fail to enforce permissions which allows a guest user with read access to upload files to a channel.
References
External links from the advisory. They lead to third-party sites.