{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-94135", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "state": "PUBLISHED", "assignerShortName": "apache", "dateReserved": "2026-09-20T18:23:25.118Z", "datePublished": "2026-10-15T21:40:24.810Z", "dateUpdated": "2026-10-15T21:40:24.810Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2026-10-15T21:40:24.810Z"}, "title": "Apache Airflow SFTP provider: Async SFTP hook disables host-key verification by default", "problemTypes": [{"descriptions": [{"description": "CWE-322: Key Exchange without Entity Authentication", "lang": "en", "cweId": "CWE-322", "type": "CWE"}]}], "source": {"discovery": "UNKNOWN"}, "affected": [{"vendor": "Apache Software Foundation", "product": "Apache Airflow SFTP provider", "packageURL": "pkg:pypi/apache-airflow-providers-sftp", "versions": [{"status": "affected", "version": "0", "lessThan": "7.0.0", "versionType": "semver"}], "defaultStatus": "unaffected", "collectionURL": "https://pypi.python.org", "packageName": "apache-airflow-providers-sftp"}], "descriptions": [{"value": "The Apache Airflow SFTP provider's deferrable code paths (`SFTPTrigger`, `SFTPHookAsync`, `SFTPClientPool`) disable SSH host-key verification by default unless the connection explicitly sets `no_host_key_check` to false. Deployments that run SFTP sensors or operators in deferrable mode are affected. An attacker in a machine-in-the-middle position between the triggerer and the SFTP server can impersonate the server and capture the credentials or data exchanged.\n\nUsers of apache-airflow-providers-sftp are recommended to upgrade to apache-airflow-providers-sftp 7.0.0 or later. This is a separate defect from CVE-2026-94134 (the synchronous SSH hook default, which also affects the SFTP hook); users who applied the fix for one also need this release for the other - apache-airflow-providers-sftp 7.0.0 fixes both.", "lang": "en", "supportingMedia": [{"type": "text/html", "base64": false, "value": "The Apache Airflow SFTP provider's deferrable code paths (`SFTPTrigger`, `SFTPHookAsync`, `SFTPClientPool`) disable SSH host-key verification by default unless the connection explicitly sets `no_host_key_check` to false. Deployments that run SFTP sensors or operators in deferrable mode are affected. An attacker in a machine-in-the-middle position between the triggerer and the SFTP server can impersonate the server and capture the credentials or data exchanged.<br><br>Users of apache-airflow-providers-sftp are recommended to upgrade to apache-airflow-providers-sftp 7.0.0 or later. This is a separate defect from CVE-2026-94134 (the synchronous SSH hook default, which also affects the SFTP hook); users who applied the fix for one also need this release for the other - apache-airflow-providers-sftp 7.0.0 fixes both."}]}], "references": [{"url": "https://github.com/apache/airflow/pull/73419", "tags": ["patch"]}, {"url": "https://www.cve.org/CVERecord?id=CVE-2026-94134", "tags": ["related"]}], "metrics": [{"other": {"type": "Textual description of severity", "content": {"text": "moderate"}}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "credits": [{"lang": "en", "value": "Claude Security Scans", "type": "tool"}, {"lang": "en", "value": "Igor Stepansky, OX Security", "type": "finder"}, {"lang": "en", "value": "Jarek Potiuk", "type": "remediation developer"}], "x_generator": {"engine": "airflow-s/generate_cve_json.py"}}}}

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{"affected": [{"affectedData": [{"collectionURL": "https://pypi.python.org", "defaultStatus": "unaffected", "packageName": "apache-airflow-providers-sftp", "packageURL": "pkg:pypi/apache-airflow-providers-sftp", "product": "Apache Airflow SFTP provider", "vendor": "Apache Software Foundation", "versions": [{"lessThan": "7.0.0", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "security@apache.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Apache Airflow SFTP provider's deferrable code paths (`SFTPTrigger`, `SFTPHookAsync`, `SFTPClientPool`) disable SSH host-key verification by default unless the connection explicitly sets `no_host_key_check` to false. Deployments that run SFTP sensors or operators in deferrable mode are affected. An attacker in a machine-in-the-middle position between the triggerer and the SFTP server can impersonate the server and capture the credentials or data exchanged.\n\nUsers of apache-airflow-providers-sftp are recommended to upgrade to apache-airflow-providers-sftp 7.0.0 or later. This is a separate defect from CVE-2026-94134 (the synchronous SSH hook default, which also affects the SFTP hook); users who applied the fix for one also need this release for the other - apache-airflow-providers-sftp 7.0.0 fixes both."}], "id": "CVE-2026-94135", "lastModified": "2026-10-15T22:21:12.140", "metrics": {}, "published": "2026-10-15T22:21:12.140", "references": [{"source": "security@apache.org", "url": "https://github.com/apache/airflow/pull/73419"}, {"source": "security@apache.org", "url": "https://www.cve.org/CVERecord?id=CVE-2026-94134"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-322"}], "source": "security@apache.org", "type": "Primary"}]}

{}

{}