| Package | Affected versions | Patched versions |
|---|---|---|
| django-mfa2 | ≥ 2.6.0, < 2.6.1< 2.5.1 | 2.6.12.5.1 |
| django-mfa2 | ≥ 2.6.0, < 2.6.1< 2.5.1 | 2.6.12.5.1 |
mfa/FIDO2.py in django-mfa2 before 2.5.1 and 2.6.x before 2.6.1 allows a replay attack that could be used to register another device for a user. The device registration challenge is not invalidated after usage.
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