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CVE-2023-34395: Apache Airflow ODBC Provider: Remote code execution vulnerability

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-06-27 · updated 2026-06-17
• Weakness: CWE-88

Description

Improper Neutralization of Argument Delimiters in a Command ('Argument Injection') vulnerability in Apache Software Foundation Apache Airflow ODBC Provider. In OdbcHook, A privilege escalation vulnerability exists in a system due to controllable ODBC driver parameters that allow the loading of arbitrary dynamic-link libraries, resulting in command execution. Starting version 4.0.0 driver can be set only from the hook constructor. This issue affects Apache Airflow ODBC Provider: before 4.0.0.

Affected products

• Apache Software Foundation Apache Airflow ODBC Provider: before 4.0.0 — fixed in 4.0.0

How to fix

Upgrade to a fixed version: Apache Software Foundation Apache Airflow ODBC Provider 4.0.0. Check the vendor advisory for mitigations.

References

• https://github.com/apache/airflow/pull/31713
• https://lists.apache.org/thread/l26yykftzbhc9tgcph8cso88bc2lqwwd
• https://github.com/apache/airflow/pull/31713
• https://lists.apache.org/thread/l26yykftzbhc9tgcph8cso88bc2lqwwd

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