| Package | Affected versions | Patched versions |
|---|---|---|
| github.com/mattermost/mattermost-server | ≥ 10.11.0, < 10.11.8≥ 10.11.0+incompatible, < 10.11.8+incompatible≥ 10.12.0, < 10.12.4≥ 10.12.0+incompatible, < 10.12.4+incompatible≥ 11.0.0, < 11.0.6≥ 11.0.1+incompatible, < 11.0.6+incompatible≥ 11.1.0, < 11.1.1≥ 11.1.0+incompatible, < 11.1.1+incompatible | 10.11.810.11.8+incompatible10.12.410.12.4+incompatible11.0.611.0.6+incompatible11.1.111.1.1+incompatible |
| github.com/mattermost/mattermost-server/v5 | all versions | |
| github.com/mattermost/mattermost-server/v6 | all versions | |
| github.com/mattermost/mattermost/server/v8 | < 8.0.0-20251121122154-b57c297c6d7all versions | 8.0.0-20251121122154-b57c297c6d7 |
| mattermost server |
Mattermost versions 11.1.x <= 11.1.0, 11.0.x <= 11.0.5, 10.12.x <= 10.12.3, 10.11.x <= 10.11.7 fails to validate user channel membership when attaching Mattermost posts as comments to Jira issues, which allows an authenticated attacker with access to the Jira plugin to read post content and attachments from channels they do not have access to.
Running one of these products? Scan your site to see whether it exposes a vulnerable version.
Scan my site free≥ 10.11.0, < 10.11.8≥ 10.12.0, < 10.12.4≥ 11.0.0, < 11.0.6≥ 11.1.0, < 11.1.110.11.810.12.411.0.611.1.1 |