low3.5
CVE-2025-49810
Mattermost Lack of Access Control Validation
Impact
Mattermost versions 10.5.x <= 10.5.8 fail to validate access controls at time of access which allows user to read a thread via AI posts
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| go | github.com/mattermost/mattermost-server | >= 10.5.0, <= 10.5.8 | 10.5.9 |
| go | github.com/mattermost/mattermost/server/v8 | < 8.0.0-20250721095846-c602a4a78e1f | 8.0.0-20250721095846-c602a4a78e1f |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mattermost | Mattermost Server | from 10.5.0 before 10.5.9 |