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CVE-2026-50203

Apache Airflow SFTP provider: Path traversal in SFTPHook.retrieve_directory allows local file write outside the destination directory via malicious server-supplied directory-entry names

Published: Jun 17, 2026Updated: Jun 17, 2026 Sources: CVE List NVDCWE-22
NVD MITRE
9.1CVSSCRITICAL
EPSS Score
0.7%
Top 50.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:NAvailability
None
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Weaknesses

CWE-22

Affected Products

Apache Airflow SFTP providerApache Software Foundation
Mixed
Web & CMS Plugins / cms-core
apache-airflow-providers-sftpapache
Mixed
Web & CMS Plugins / cms-core
apache software foundationoss-projectUSWeb & CMS Pluginsaka apache foundation
apacheoss-projectUSWeb & CMS Pluginsaka apache http server, apache httpd

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Collection
Discovery
View detailed technique mapping

References

https://github.com/apache/airflow/pull/67985
github.com
https://lists.apache.org/thread/7f4b284oh44c1n95oq8mh1qc7y1lr9dx
lists.apache.org
http://www.openwall.com/lists/oss-security/2026/06/16/3
openwall.com

Timeline

Published
Jun 17, 2026
Last Updated
Jun 17, 2026

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