Vulnerability · Published Dec 15, 2025 · Assigned by apache
CVE-2025-66388Apache Airflow: Secrets in rendered templates not redacted properly and exposed in the UI
Medium 4.3
In plain English
A medium-severity security flaw in Apache Airflow from Apache Software Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 41% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| PyPI | apache-airflow | 3.1.5 | GHSA-fv47-pqh6-wxgq |
| PyPI | apache-airflow | 3.1.4 | PYSEC-2025-86 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Apache Software Foundation | Apache Airflow | 3.1.0 – before 3.1.4 |
Weakness: CWE-201 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N