Description
Mattermost versions 8.1.x before 8.1.11, 9.3.x before 9.3.3, 9.4.x before 9.4.4, and 9.5.x before 9.5.2 fail to authenticate the source of certain types of post actions, allowing an authenticated attacker to create posts as other users via a crafted post action.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Mattermost | Mattermost | 9.5.0 – ≤ 9.5.1, 9.4.0 – ≤ 9.4.3, 9.3.0 – ≤ 9.3.2, 8.1.0 – ≤ 8.1.10 | 9.6.0 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Go | github.com/mattermost/mattermost-server | >= 9.3.0+incompatible, < 9.3.3+incompatible · >= 9.4.0+incompatible, < 9.4.4+incompatible · >= 9.5.0+incompatible, < 9.5.2+incompatible | 9.3.3+incompatible, 9.4.4+incompatible, 9.5.2+incompatible | GO-2024-2696 |
| Go | github.com/mattermost/mattermost-server/v5 | all versions | — | GO-2024-2696 |
| Go | github.com/mattermost/mattermost-server/v6 | all versions | — | GO-2024-2696 |
| Go | github.com/mattermost/mattermost/server/v8 | >= 8.1.0, < 8.1.11 | 8.1.11 | GHSA-wp43-vprh-c3w5 |
| Go | github.com/mattermost/mattermost/server/v8 | >= 9.5.0, < 9.5.2 | 9.5.2 | GHSA-wp43-vprh-c3w5 |
| Go | github.com/mattermost/mattermost/server/v8 | >= 9.4.0, < 9.4.4 | 9.4.4 | GHSA-wp43-vprh-c3w5 |
| Go | github.com/mattermost/mattermost/server/v8 | >= 9.3.0, < 9.3.3 | 9.3.3 | GHSA-wp43-vprh-c3w5 |
| Go | github.com/mattermost/mattermost/server/v8 | all versions | — | GO-2024-2696 |