Unprotected storage of credentials in Apache Airflow - CVE-2025-66388

 

Unprotected storage of credentials in Apache Airflow - CVE-2025-66388

Published: December 17, 2025


Vulnerability identifier: #VU120169
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-66388
CWE-ID: CWE-256
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Apache Foundation
Affected software:
Apache Airflow

Detailed vulnerability description

The vulnerability allows a remote user to gain access to other users' credentials.

The vulnerability exists due to the application allows users to view secret values in rendered templates. A remote user can gain access to sensitive information. 


How to mitigate CVE-2025-66388

Install updates from vendor's website.

Sources