{"schema_version": "1.6.1", "id": "CVE-2026-50203", "summary": "Path traversal in SFTPHook.retrieve_directory allows local file write outside the destination directory via malicious server-supplied directory-entry names", "details": "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.", "affected": [{"ranges": [{"type": "SEMVER", "events": [{"introduced": "0"}, {"fixed": "5.8.1"}]}]}], "references": [{"type": "WEB", "url": "https://github.com/apache/airflow/pull/67985"}, {"type": "WEB", "url": "https://lists.apache.org/thread/7f4b284oh44c1n95oq8mh1qc7y1lr9dx"}]}