CVE-2026-50203
Critical
Description
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.
SeverityCritical
CVSS9.1
Exploit probability—
Product
Apache-airflow-providers-sftp
PublishedJun 17, 2026
First seenJun 17, 2026
Weakness typeCWE-22Path traversal
How to fix
Update
- apache apache-airflow-providers-sftp5.8.1 or later
- apache-airflow-providers-sftp5.8.1 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| apache apache-airflow-providers-sftp | v < 5.8.1 | 5.8.1 |
| apache-airflow-providers-sftpPyPI | v < 5.8.1 | 5.8.1 |
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