Apache Airflow SFTP provider: Async SFTP hook disables host-key verification by default
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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| Apache Software Foundation | Apache Airflow SFTP provider | unaffected |
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| Apache | Airflow Sftp Provider |
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No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.380% probability within 30 days)
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Apache
Apache airflow Sftp Provider |
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Apache
Apache airflow Sftp Provider |
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cvssV3_1
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| Description | The Apache Airflow SFTP provider's deferrable code paths (`SFTPTrigger`, `SFTPHookAsync`, `SFTPClientPool`) disable SSH host-key verification by default unless the connection explicitly sets `no_host_key_check` to false. Deployments that run SFTP sensors or operators in deferrable mode are affected. An attacker in a machine-in-the-middle position between the triggerer and the SFTP server can impersonate the server and capture the credentials or data exchanged. Users of apache-airflow-providers-sftp are recommended to upgrade to apache-airflow-providers-sftp 7.0.0 or later. This is a separate defect from CVE-2026-94134 (the synchronous SSH hook default, which also affects the SFTP hook); users who applied the fix for one also need this release for the other - apache-airflow-providers-sftp 7.0.0 fixes both. | |
| Title | Apache Airflow SFTP provider: Async SFTP hook disables host-key verification by default | |
| Weaknesses | CWE-322 | |
| References |
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