| Package | Affected versions | Patched versions |
|---|---|---|
| framework | ≥ 8.0.0, < 8.83.24≥ 9.0.0, < 9.32.0 | 8.83.249.32.0 |
The authentication method in Laravel 8.x through 9.x before 9.32.0 was discovered to be vulnerable to user enumeration via timeless timing attacks with HTTP/2 multiplexing. This is caused by the early return inside the hasValidCredentials method in the Illuminate\Auth\SessionGuard class when a user is found to not exist.
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