Global – October 27, 2026 -- Apache Airflow's SSH and SFTP providers ship with host key verification disabled by default. Two High-severity vulnerabilities, CVE-2026-94134 and CVE-2026-94135, both rated CVSS 8.1, leave connections open to man-in-the-middle attacks, according to OX Security Research.

Both apache-airflow-providers-ssh and apache-airflow-providers-sftp are affected through version 6.0.1. Version 7.0.0 of each package fixes the flaw. The weakness is classified as CWE-322, key exchange without entity authentication.