Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5, 9.8.x <= 9.8.1 fail to properly validate synced posts, when shared channels are enabled, which allows a malicious remote to create/update/delete arbitrary posts in arbitrary channels
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| github.com/mattermost/mattermost/server/v8(Go) | 9.5.0 | 9.5.7 | N/A |
| github.com/mattermost/mattermost/server/v8(Go) | 9.7.0 | 9.7.6 | N/A |
| github.com/mattermost/mattermost/server/v8(Go) | 9.8.0 | 9.8.2 | N/A |
| github.com/mattermost/mattermost/server/v8(Go) | 9.9.0 | 9.9.1 | N/A |
| github.com/mattermost/mattermost/server/v8(Go) | 0 | 8.0.0-20240619142046-8181a9ddffc0 | N/A |
| github.com/mattermost/mattermost(Go) | 0 | 5.3.2-0.20240619142046-8181a9ddffc0 | N/A |
CVSS Metrics
