CVE-2026-50203

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.

CVSS v3 9.1 CRITICAL

9.1^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
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

Configurations

Configuration 1 (hide)

cpe:2.3:a:apache:apache-airflow-providers-sftp:*:*:*:*:*:*:*:*

History

26 Oct 2026, 11:10

Type	Values Removed	Values Added
Summary		(es) Un salto de ruta en el proveedor SFTP (’SFTPHook.retrieve_directory’ / ’SFTPOperator(operation=get)’) permitió que un servidor SFTP remoto malicioso o comprometido escribiera archivos fuera del directorio de destino local configurado mediante nombres de entrada de directorio manipulados. No se requiere una cuenta de Airflow; la superficie de ataque es cualquier implementación que descargue directorios de un servidor SFTP no confiable. Actualice ’apache-airflow-providers-sftp’ a 5.8.1 o posterior.

Information

Published : 2026-06-17 13:20

Updated : 2026-10-26 11:10

NVD link : CVE-2026-50203

Mitre link : CVE-2026-50203

CVE.ORG link : CVE-2026-50203

JSON object : View

Products Affected

apache

apache-airflow-providers-sftp

CWE

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

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