CVE-2026-94134Apache Airflow SSH provider, Apache Airflow SFTP provider: SSH hook disables host-key verification by default
Updated under an hour ago ()
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It affects Apache Software Foundation Apache Airflow SSH provider and 1 other product. Add what you run to find out whether that includes you.
EPSS puts the chance of exploitation in the next 30 days at 0.18%, higher than 7% of scored CVEs.
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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.
- CVSS
- 9.1 CRITICAL (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- Weakness (CWE)
- CWE-322
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- 0.18% (percentile 7)
- Assigned by
- apache
- NVD analysis
- Awaiting Analysis
- Record last updated
- Oct 16, 2026
- First seen by InfoSec Signals
- Oct 15, 2026
Affected products
Apache Software Foundation Apache Airflow SSH provider apache_software_foundation:apache_airflow_ssh_provider (from the name) | before 7.0.0 | CNA record |
Apache Software Foundation Apache Airflow SFTP provider apache_software_foundation:apache_airflow_sftp_provider (from the name) | before 7.0.0 | CNA record |
References
- https://github.com/apache/airflow/pull/73419patch
- https://www.cve.org/CVERecord?id=CVE-2026-94135related
- https://lists.apache.org/thread/ksr1lztvd3zr74f8xd1hzch1ssl0l3ljvendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.