| Package | Affected versions | Patched versions |
|---|---|---|
| mattermost server | ≥ 9.11.0, < 9.11.3≥ 9.5.0, < 9.5.11 | 9.11.39.5.11 |
Mattermost versions 9.11.x <= 9.11.2, and 9.5.x <= 9.5.10 fail to protect the mfa code against replay attacks, which allows an attacker to reuse the MFA code within ~30 seconds
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