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CVE-2025-66388

Good to know:

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Date: December 15, 2025

A vulnerability in Apache Airflow 3.1.0 before 3.1.4 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.

Severity Score

Related Resources (6)

https://github.com/apache/airflow/pull/58772
https://seclists.org/oss-sec/2025/q4/270
https://nvd.nist.gov/vuln/detail/CVE-2025-66388
http://www.openwall.com/lists/oss-security/2025/12/12/1
https://lists.apache.org/thread/mv9hzsx8grjf7gdlkxwppnpbtogtls2g
https://www.mend.io/vulnerability-database/CVE-2025-66388

Severity Score

Weakness Type (CWE)

Exposure of Sensitive Information to an Unauthorized Actor

CWE-200

Insertion of Sensitive Information Into Sent Data

CWE-201

Top Fix

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Upgrade Version

Upgrade to version apache-airflow-task-sdk - 1.1.4;apache-airflow-task-sdk - 1.1.4;https://github.com/apache/airflow.git - task-sdk/1.1.4

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

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