CVE-2025-66388: airflow — Fix

Description

A vulnerability in Apache Airflow allowed authenticated UI users to view secret values in rendered templates due to secrets not being properly redacted, potentially exposing secrets to users without the appropriate authorization. Users are recommended to upgrade to version 3.1.4, which fixes this issue.

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CVSS v3.1 Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Weakness Type (CWE)

CWE-201 CWE-201

Affected Products

Vendor	Product	Versions
apache	airflow	3.1.0 — 3.1.4

References

Advisories & Patches

https://lists.apache.org/thread/mv9hzsx8grjf7gdlkxwppnpbtogtls2g

Other References

https://github.com/apache/airflow/pull/58772 http://www.openwall.com/lists/oss-security/2025/12/12/1

Frequently Asked Questions

What is CVE-2025-66388? +

A vulnerability in Apache Airflow allowed authenticated UI users to view secret values in rendered templates due to secrets not being properly redacted, potentially exposing secrets to users without the appropriate authorization. Users are recommended to upgrade to version 3.1.4, which fixes this issue. It has a CVSS v3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2025-66388? +

CVE-2025-66388 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-66388? +

CVE-2025-66388 affects products from apache, specifically: airflow. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-66388? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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