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Vulnerability record · CVE-2026-50203 · published 17 June 2026

CVE-2026-50203: Apache-airflow-providers-sftp path traversal vulnerability

Apache · Apache Airflow Providers Sftp

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.

9.1 CVSS 3.1 Critical EPSS 0.88% · top 42.6% CWE-22 · Path traversal
9.1CVSS 3.1 base score
0.88%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/apache/airflow/pull/67985 Issue TrackingPatch
https://lists.apache.org/thread/7f4b284oh44c1n95oq8mh1qc7y1lr9dx Mailing ListVendor Advisory
http://www.openwall.com/lists/oss-security/2026/06/16/3 Mailing ListThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2026-50203), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.