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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

Quick assessment

Affected
Apache Software Foundation Apache Airflow SFTP provider
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Apache airflow是美国Apache基金会开源的一个工作流调度和数据处理平台。 Apache Airflow 5.8.1之前版本存在路径遍历漏洞，该漏洞源于SFTP provider中存在路径遍历问题，攻击者可能通过特制的目录条目名称将文件写入配置的本地目标目录之外。

AI Predicted 7.5 Difficulty: Moderate EPSS 0.88% · P58

Affected Version Matrix 1

VendorProduct Version RangeStatus
Apache Software Foundation Apache Airflow SFTP provider < 5.8.1 affected
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I. Basic Information for CVE-2026-50203

Vulnerability Information
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Vulnerability Title
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
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
Apache Airflow 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache airflow是美国Apache基金会开源的一个工作流调度和数据处理平台。 Apache Airflow 5.8.1之前版本存在路径遍历漏洞，该漏洞源于SFTP provider中存在路径遍历问题，攻击者可能通过特制的目录条目名称将文件写入配置的本地目标目录之外。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Apache Software Foundation Apache Airflow SFTP provider 0 ~ 5.8.1 -

II. Public POCs for CVE-2026-50203

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III. Intelligence Information for CVE-2026-50203

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Patches & Fixes for CVE-2026-50203 (1)

Mailing List Discussions for CVE-2026-50203 (1)

Same Patch Batch · Apache Software Foundation · 2026-06-17 · 7 CVEs total

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IV. Related Vulnerabilities

Same vendor: Apache Software Foundation
Same weakness: CWE-22

V. Comments for CVE-2026-50203

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