{
"id": "GHSA-qf38-jq28-3ccq",
"aliases": [
"CVE-2026-50203"
],
"details": "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.",
"summary": "Apache Airflow SFTP provider: Path traversal in SFTPHook.retrieve_directory",
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "5.8.1"
}
]
}
],
"package": {
"name": "apache-airflow-providers-sftp",
"ecosystem": "PyPI"
}
}
],
"modified": "2026-07-09T21:07:41Z",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"
}
],
"published": "2026-06-17T18:35:51Z",
"references": [
{
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-50203",
"type": "ADVISORY"
},
{
"url": "https://github.com/apache/airflow/pull/67985",
"type": "WEB"
},
{
"url": "https://github.com/apache/airflow",
"type": "PACKAGE"
},
{
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/apache-airflow-providers-sftp/PYSEC-2026-218.yaml",
"type": "WEB"
},
{
"url": "https://lists.apache.org/thread/7f4b284oh44c1n95oq8mh1qc7y1lr9dx",
"type": "WEB"
},
{
"url": "http://www.openwall.com/lists/oss-security/2026/06/16/3",
"type": "WEB"
}
],
"schema_version": "1.4.0",
"database_specific": {
"cwe_ids": [
"CWE-22"
],
"severity": "CRITICAL",
"github_reviewed": true,
"nvd_published_at": "2026-06-17T13:20:47Z",
"github_reviewed_at": "2026-06-18T14:35:04Z"
}
}