The system.temporary route in Drupal 8.x before 8.1.10 does not properly check for "Export configuration" permission, which allows remote authenticated users to bypass intended access restrictions and read a full config export via unspecified vectors.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| drupal/core(Packagist) | 8.0 | 8.1.10 | N/A |
| drupal/drupal(Packagist) | 8.0 | 8.1.10 | N/A |
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