What is CVE-2026-50203?

CVE-2026-50203 is a critical-severity vulnerability in Apache Apache-airflow-providers-sftp, classified under Path Traversal. CVSS score: 9.1/10. Published 2026-06-17.

How severe is CVE-2026-50203?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Path Traversal in Apache Apache-airflow-providers-sftp

CVE-2026-50203

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-en…

Vulnerability class: Path Traversal (Directory Traversal)

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Apache Apache-airflow-providers-sftp
Apache Software Foundation Airflow Sftp Provider — versions 0

Weakness classification (CWE)

CWE-22 — Path Traversal

References

security@apache.org (Patch, patch, Issue Tracking)
security@apache.org (vendor-advisory, Mailing List, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2026-50203?: CVE-2026-50203 is a critical-severity vulnerability in Apache Apache-airflow-providers-sftp, classified under Path Traversal. CVSS score: 9.1/10. Published 2026-06-17.
How severe is CVE-2026-50203?: Critical severity. CVSS v3 base score is 9.1 out of 10.