| 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 | ≥ 10.11.0, < 10.11.8≥ 10.12.0, < 10.12.4≥ 11.0.0, < 11.0.6≥ 11.1.0, < 11.1.1 | 10.11.810.12.411.0.611.1.1 |
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 fail to verify that post actions invoking /share-issue-publicly were created by the Jira plugin which allowed a malicious Mattermost user to exfiltrate Jira tickets when victim users interacted with affected posts
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