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CVE-2025-68438— Apache Airflow: Secrets in rendered templates could contain parts of sensitive values when truncated

Quick assessment

Affected
Apache Software Foundation Apache Airflow
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Apache Airflow是美国阿帕奇（Apache）基金会的一套具有创建、管理和监控工作流程功能的开源平台。该平台具有可扩展和动态监控等特点。 Apache Airflow 3.1.6之前版本存在安全漏洞，该漏洞源于渲染模板字段时未包含用户注册的mask_secret模式，可能导致敏感值在Rendered Templates UI中以明文形式暴露。

AI Predicted 5.3 Difficulty: Moderate EPSS 0.66% · P50

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2025-68438

Vulnerability Information
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Vulnerability Title
Apache Airflow: Secrets in rendered templates could contain parts of sensitive values when truncated
Source: CVE Program / CVE List V5
Vulnerability Description
In Apache Airflow versions before 3.1.6, when rendered template fields in a Dag exceed [core] max_templated_field_length, sensitive values could be exposed in cleartext in the Rendered Templates UI. This occurred because serialization of those fields used a secrets masker instance that did not include user-registered mask_secret() patterns, so secrets were not reliably masked before truncation and display. Users are recommended to upgrade to 3.1.6 or later, which fixes this issue
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Apache Airflow 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache Airflow是美国阿帕奇（Apache）基金会的一套具有创建、管理和监控工作流程功能的开源平台。该平台具有可扩展和动态监控等特点。 Apache Airflow 3.1.6之前版本存在安全漏洞，该漏洞源于渲染模板字段时未包含用户注册的mask_secret模式，可能导致敏感值在Rendered Templates UI中以明文形式暴露。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Apache Software Foundation Apache Airflow 3.1.0 ~ 3.1.6 -

II. Public POCs for CVE-2025-68438

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III. Intelligence Information for CVE-2025-68438

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Same Patch Batch · Apache Software Foundation · 2026-01-16 · 3 CVEs total

CVE-2025-60021 Apache bRPC: Remote command injection vulnerability in heap builtin service
CVE-2025-68675 Apache Airflow: proxy credentials for various providers might leak in task logs

IV. Related Vulnerabilities

Same product: Apache Airflow
Same vendor: Apache Software Foundation
Same weakness: CWE-200

V. Comments for CVE-2025-68438

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