medium4.3
CVE-2023-47858
Mattermost viewing archived public channels permissions vulnerability
Impact
Mattermost fails to properly verify the permissions needed for viewing archived public channels, allowing a member of one team to get details about the archived public channels of another team via the GET /api/v4/teams/<team-id>/channels/deleted endpoint.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| go | github.com/mattermost/mattermost-server/v6 | <= 7.8.9 | 7.8.10 |
| go | github.com/mattermost/mattermost/server/v8 | <= 8.1.0 | 8.1.1 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mattermost | Mattermost Server | before 8.1.7 from 9.0.0 before 9.0.5 from 9.1.0 before 9.1.4 from 9.2.0 before 9.2.3 |