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CVE-2025-66388
Apache Airflow: Secrets in rendered templates not redacted properly and exposed in the UI
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.

INFO

Published Date :

Dec. 15, 2025, 12:15 p.m.

Last Modified :

Dec. 15, 2025, 6:22 p.m.

Remotely Exploit :

No

Source :

[email protected]
Affected Products

The following products are affected by CVE-2025-66388 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Apache airflow
: Total Affected Vendor : 1 | Products : 1
Solution
Upgrade Apache Airflow to version 3.1.4 to fix secret exposure in rendered templates.
  • Upgrade Apache Airflow to version 3.1.4 or later.
  • Verify secrets are properly redacted in UI.
  • Implement stricter access controls for sensitive data.
  • Review Airflow security configurations.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-66388.

URL Resource
https://github.com/apache/airflow/pull/58772
https://lists.apache.org/thread/mv9hzsx8grjf7gdlkxwppnpbtogtls2g
http://www.openwall.com/lists/oss-security/2025/12/12/1
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-66388 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-66388 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-66388 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2025-66388 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Dec. 15, 2025

    Action Type Old Value New Value
    Added Reference http://www.openwall.com/lists/oss-security/2025/12/12/1
  • New CVE Received by [email protected]

    Dec. 15, 2025

    Action Type Old Value New Value
    Added 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.
    Added CWE CWE-201
    Added Reference https://github.com/apache/airflow/pull/58772
    Added Reference https://lists.apache.org/thread/mv9hzsx8grjf7gdlkxwppnpbtogtls2g
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
No CVSS metrics available for this vulnerability.