A path traversal in the SFTP provider (`SFTPHook.retrieve_directory` / `SFTPOperator(operation=get)`) let a malicious or compromised remote SFTP server write files outside the configured local destination directory via crafted directory-entry names. No Airflow account is required — the attack surface is any deployment downloading directories from an untrusted SFTP server. Upgrade `apache-airflow-providers-sftp` to 5.8.1 or later.
Fix
Patch, vendor advisory and mitigation references on NVD 2
- https://github.com/apache/airflow/pull/67985 Issue Tracking, Patch
- https://lists.apache.org/thread/7f4b284oh44c1n95oq8mh1qc7y1lr9dx Mailing List, Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 9.1 · apacheNVD modified 2026-10-26 11:10
Affected (CPE criteria) 1
cpe:2.3:a:apache:apache-airflow-providers-sftp:*:*:*:*:*:*:*:*
References 3
- https://github.com/apache/airflow/pull/67985 Issue Tracking, Patch
- https://lists.apache.org/thread/7f4b284oh44c1n95oq8mh1qc7y1lr9dx Mailing List, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2026/06/16/3 Mailing List, Third Party Advisory