low3.7
CVE-2025-53857
Mattermost Confluence Plugin has Missing Authorization vulnerability
Impact
Mattermost Confluence Plugin versions < 1.5.0 fail to check user access to the channel, allowing attackers to get channel subscription details without proper access to the channel via API call to the GET autocomplete/GetChannelSubscriptions endpoint.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| go | github.com/mattermost/mattermost-plugin-confluence | < 1.5.0 | 1.5.0 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mattermost | Confluence | before 1.5.0 |