CVE-2026-94134: CWE-322: Key Exchange without Entity Authentication in Apache Software Foundation Apache Airflow SSH provider
Description
The Apache Airflow SSH provider hook disables SSH host-key verification by default: unless `host_key` is configured or `no_host_key_check` is explicitly set to false, it accepts any server key. This affects SSH and SFTP connections that rely on the default. An attacker in a machine-in-the-middle position between the worker and the SSH or SFTP server can impersonate the server and capture the credentials or data a task sends. Users of apache-airflow-providers-ssh and apache-airflow-providers-sftp are recommended to upgrade to apache-airflow-providers-ssh 7.0.0 and apache-airflow-providers-sftp 7.0.0 or later. The deferrable SFTP code paths had the same default and are covered separately by CVE-2026-94135; apache-airflow-providers-sftp 7.0.0 fixes both.
Affected software
Apache Software Foundation
Apache Airflow SSH provider
Apache Software Foundation
Apache Airflow SFTP provider
Weaknesses
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-09-20T18:23:05.037Z
- State
- PUBLISHED
Threat ID: 6ad14e352cdf04f656608541
Added to database: 10/15/2026, 22:05:41 UTC
Last updated: 10/15/2026, 22:05:41 UTC
Views: 1
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