GHSA-jjr7-372r-cx7x
Mattermost Exposure of Sensitive Information to an Unauthorized Actor vulnerability
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| Go | github.com/mattermost/mattermost/server/v8 | >= 9.1.0, < 9.1.1 | 9.1.1 |
| Go | github.com/mattermost/mattermost/server/v8 | >= 9.0.0, < 9.0.2 | 9.0.2 |
| Go | github.com/mattermost/mattermost/server/v8 | < 8.1.4 | 8.1.4 |
| Go | github.com/mattermost/mattermost-server/v6 | < 7.8.13 | 7.8.13 |
Details
As written in the advisory (Markdown source, shown as plain text).
Mattermost fails to check whether the "Allow users to view archived channels" setting is enabled during permalink previews display, allowing members to view permalink previews of archived channels even if the "Allow users to view archived channels" setting is disabled.
References
External links from the advisory. They lead to third-party sites.