| Package | Affected versions | Patched versions |
|---|---|---|
| github.com/mattermost/mattermost-server | ≥ 10.11.0, < 10.11.4≥ 10.11.0+incompatible, < 10.11.4+incompatible≥ 10.12.0, < 10.12.1≥ 10.12.0+incompatible, < 10.12.1+incompatible≥ 10.5.0, < 10.5.12≥ 10.5.0+incompatible, < 10.5.12+incompatible | 10.11.410.11.4+incompatible10.12.110.12.1+incompatible10.5.1210.5.12+incompatible |
| github.com/mattermost/mattermost-server/v5 | all versions | |
| github.com/mattermost/mattermost-server/v6 | all versions | |
| github.com/mattermost/mattermost/server/v8 | < 8.0.0-20250929212932-a41db04d2746 | 8.0.0-20250929212932-a41db04d2746 |
| mattermost server | ≥ 10.11.0, < 10.11.4≥ 10.12.0, < 10.12.1≥ 10.5.0, < 10.5.12 | 10.11.410.12.110.5.12 |
Mattermost versions 10.11.x <= 10.11.3, 10.5.x <= 10.5.11, 10.12.x <= 10.12.0 fail to sanitize user data which allows system administrators to access password hashes and MFA secrets via the POST /api/v4/users/{user_id}/email/verify/member endpoint
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