A vulnerability classified as problematic has been found in Django up to 5.2.14/6.0.5 . This vulnerability affects the function django.core.mail.backends.smtp.EmailBackend of the component Email Content Handler . The manipulation leads to cleartext transmission of sensitive information. This vulnerability is traded as CVE-2026-7666 . It is possible to initiate the attack remotely. There is no exploit available. It is recommended to upgrade the affected component.