CVE-2026-49267 | Apache Airflow up to 3.2.1 SMTP STARTTLS Connection certificate validation

A vulnerability was found in Apache Airflow up to 3.2.1. It has been declared as problematic. This impacts an unknown function of the component SMTP STARTTLS Connection Handler. Executing a manipulation can lead to improper certificate validation.

This vulnerability appears as CVE-2026-49267. The attack may be performed from remote. There is no available exploit.

It is recommended to upgrade the affected component.