High [CVE-2026-58065] Apache Airflow Git provider: Git provider hook defaults to StrictHostKeyChecking=no, disabling SSH host-key verification
This high-severity Apache Software Foundation advisory covers CVE-2026-58065 affecting Apache Airflow Git.
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Summary
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.
- Apache Airflow Git provider before 0.4.1
Official advisory · high-confidence parse· fetched 4 months ago·verify at source
Mitigation checklist
- 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.
Official advisory · high-confidence parse· fetched 4 months ago·verify at source
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