VULNERABILITY INTELLIGENCE
CVE-2026-50203
CVSS score9.1 CRITICAL
EPSS probability0.63%
CISA KEVNot currently listed
Published2026-06-17
Last modified2026-10-26
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
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.
Weakness classification
- security@apache.org: CWE-22
Primary references
- security@apache.org — Issue Tracking, Patch
- security@apache.org — Mailing List, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory