CVE-2026-50203
Published:June 17, 2026
Updated:June 29, 2026
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 Packages
apache-airflow-providers-sftp (CONDA):
Affected version(s) >=1.1.0 <5.8.1Fix Suggestion:
Update to version 5.8.1apache-airflow-providers-sftp (CONDA):
Affected version(s) >=5.1.0 <5.8.1Fix Suggestion:
Update to version 5.8.1https://github.com/apache/airflow.git (GITHUB):
Affected version(s) >=providers-sftp/5.1.0 <providers-sftp/5.8.1Fix Suggestion:
Update to version providers-sftp/5.8.1apache-airflow-providers-sftp (PYTHON):
Affected version(s) >=5.1.0 <5.8.1Fix Suggestion:
Update to version 5.8.1apache-airflow-providers-sftp (PYTHON):
Affected version(s) >=1.0.0b1 <5.8.1Fix Suggestion:
Update to version 5.8.1Related Resources (5)
Do you need more information?
Contact UsCVSS v4
Base Score:
9.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
9.1
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
EPSS
Base Score:
0.63