Severity: moderate Affected versions:
- Apache Airflow Git provider (apache-airflow-providers-git) before 0.4.1 Description: The Apache Airflow Git provider runs its git-over-SSH operations with `StrictHostKeyChecking=no` by default, disabling SSH host-key verification. An attacker who can intercept the network path between an Airflow worker and the Git server can impersonate the server (man-in-the-middle), capturing the SSH deploy key or injecting malicious repository content. Deployments that use the Git DAG bundle or Git provider to clone over SSH with a deploy key are affected. The fix changes the default to verify host keys; upgrade to apache-airflow-providers-git `0.4.1` or later and configure a `known_hosts` file. Credit: Siyang Wu (independent researcher) (finder) Ephraim Anierobi (remediation developer) References: https://github.com/apache/airflow/pull/69103 https://airflow.apache.org/ https://www.cve.org/CVERecord?id=CVE-2026-58065
