CVE-2025-66236: CWE-532: Insertion of Sensitive Information into Log File in Apache Software Foundation Apache Airflow
Before Airflow 3.2.0, it was unclear that secure Airflow deployments require the Deployment Manager to take appropriate actions and pay attention to security details and security model of Airflow. Some assumptions the Deployment Manager could make were not clear or explicit enough, even though Airflow's intentions and security model of Airflow did not suggest different assumptions. The overall security model [1], workload isolation [2], and JWT authentication details [3] are now described in more detail. Users concerned with role isolation and following the Airflow security model of Airflow are advised to upgrade to Airflow 3.2, where several security improvements have been implemented. They should also read and follow the relevant documents to make sure that their deployment is secure enough. It also clarifies that the Deployment Manager is ultimately responsible for securing your Airflow deployment. This had also been communicated via Airflow 3.2.0 Blog announcement [4]. [1] Security Model: https://airflow.apache.org/docs/apache-airflow/stable/security/jwt_token_authentication.html [2] Workload isolation: https://airflow.apache.org/docs/apache-airflow/stable/security/workload.html [3] JWT Token authentication: https://airflow.apache.org/docs/apache-airflow/stable/security/jwt_token_authentication.html [4] Airflow 3.2.0 Blog announcement: https://airflow.apache.org/blog/airflow-3.2.0/ Users are recommended to upgrade to version 3.2.0, which fixes this issue.
AI Analysis
Technical Summary
This vulnerability relates to the improper handling of sensitive information in log files within Apache Airflow versions prior to 3.2.0. The root cause is insufficient clarity in the security model and deployment guidance, which may lead to insecure assumptions by Deployment Managers. Airflow 3.2.0 introduces enhanced security documentation and improvements, clarifying workload isolation, JWT authentication, and the overall security model. The fix is delivered through this upgrade, which addresses the insertion of sensitive data into logs and strengthens deployment security practices.
Potential Impact
The vulnerability could result in sensitive information being recorded in log files, potentially exposing confidential data if logs are accessed by unauthorized parties. This exposure risk depends on deployment configurations and adherence to security best practices. The impact is mitigated by upgrading to Airflow 3.2.0, which improves security controls and clarifies deployment responsibilities. No known exploits in the wild have been reported.
Mitigation Recommendations
Users should upgrade to Apache Airflow version 3.2.0, where this issue is addressed with several security improvements and clearer deployment guidance. Additionally, Deployment Managers must carefully follow the updated security documentation on workload isolation, JWT authentication, and the overall security model to ensure secure deployments. No other specific mitigations are indicated beyond upgrading and adhering to the recommended security practices.
CVE-2025-66236: CWE-532: Insertion of Sensitive Information into Log File in Apache Software Foundation Apache Airflow
Description
Before Airflow 3.2.0, it was unclear that secure Airflow deployments require the Deployment Manager to take appropriate actions and pay attention to security details and security model of Airflow. Some assumptions the Deployment Manager could make were not clear or explicit enough, even though Airflow's intentions and security model of Airflow did not suggest different assumptions. The overall security model [1], workload isolation [2], and JWT authentication details [3] are now described in more detail. Users concerned with role isolation and following the Airflow security model of Airflow are advised to upgrade to Airflow 3.2, where several security improvements have been implemented. They should also read and follow the relevant documents to make sure that their deployment is secure enough. It also clarifies that the Deployment Manager is ultimately responsible for securing your Airflow deployment. This had also been communicated via Airflow 3.2.0 Blog announcement [4]. [1] Security Model: https://airflow.apache.org/docs/apache-airflow/stable/security/jwt_token_authentication.html [2] Workload isolation: https://airflow.apache.org/docs/apache-airflow/stable/security/workload.html [3] JWT Token authentication: https://airflow.apache.org/docs/apache-airflow/stable/security/jwt_token_authentication.html [4] Airflow 3.2.0 Blog announcement: https://airflow.apache.org/blog/airflow-3.2.0/ Users are recommended to upgrade to version 3.2.0, which fixes this issue.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability relates to the improper handling of sensitive information in log files within Apache Airflow versions prior to 3.2.0. The root cause is insufficient clarity in the security model and deployment guidance, which may lead to insecure assumptions by Deployment Managers. Airflow 3.2.0 introduces enhanced security documentation and improvements, clarifying workload isolation, JWT authentication, and the overall security model. The fix is delivered through this upgrade, which addresses the insertion of sensitive data into logs and strengthens deployment security practices.
Potential Impact
The vulnerability could result in sensitive information being recorded in log files, potentially exposing confidential data if logs are accessed by unauthorized parties. This exposure risk depends on deployment configurations and adherence to security best practices. The impact is mitigated by upgrading to Airflow 3.2.0, which improves security controls and clarifies deployment responsibilities. No known exploits in the wild have been reported.
Mitigation Recommendations
Users should upgrade to Apache Airflow version 3.2.0, where this issue is addressed with several security improvements and clearer deployment guidance. Additionally, Deployment Managers must carefully follow the updated security documentation on workload isolation, JWT authentication, and the overall security model to ensure secure deployments. No other specific mitigations are indicated beyond upgrading and adhering to the recommended security practices.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2025-11-25T16:03:35.709Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69dd057082d89c981f016d7b
Added to database: 4/13/2026, 3:02:08 PM
Last enriched: 4/13/2026, 3:32:57 PM
Last updated: 4/14/2026, 8:14:48 AM
Views: 6
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