Apache Airflow SFTP provider: Path traversal in SFTPHook.retrieve_directory
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.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-50203US | — | — | ||
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 conf… | ||||
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references
External citations — patches, advisories, analysis.
- http://www.openwall.com/lists/oss-security/2026/06/16/3WEB
- https://github.com/apache/airflowPACKAGE
- https://github.com/apache/airflow/pull/67985WEB
- https://github.com/pypa/advisory-database/tree/main/vulns/apache-airflow-providers-sftp/PYSEC-2026-218.yamlWEB
- https://lists.apache.org/thread/7f4b284oh44c1n95oq8mh1qc7y1lr9dxWEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-50203ADVISORY
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