Description
A time-of-check/time-of-use (TOCTOU) race condition in fastschema through v0.15.1 allows an unauthenticated remote attacker to bypass the OTP attempt limit on the account recovery flow, enabling brute-force attacks on 6-digit OTP codes.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| fastschema | fastschema | ≤ 0.15.1 | — |
References
- Product third-party-advisory
- Vulnerable File technical-description