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CVE-2026-40690— Apache Airflow: Assets graph view bypasses DAG level access control displaying unrelated topologies and all DAGs names to unauthorized users

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存在安全漏洞，该漏洞源于资产依赖关系图未根据查看者的DAG读取权限限制节点，可能导致具有至少一个DAG读取权限的用户浏览部署中任何其他资产的资产图，并了解其授权范围之外的DAG和资产的存在及名称。

AI Predicted 6.5 Difficulty: Easy EPSS 0.57% · P47

Possible ATT&CK Techniques 1 AI

T1083 · File and Directory Discovery
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I. Basic Information for CVE-2026-40690

Vulnerability Information
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Vulnerability Title
Apache Airflow: Assets graph view bypasses DAG level access control displaying unrelated topologies and all DAGs names to unauthorized users
Source: CVE Program / CVE List V5
Vulnerability Description
The asset dependency graph did not restrict nodes by the viewer's DAG read permissions: a user with read access to at least one DAG could browse the asset graph for any other asset in the deployment and learn the existence and names of DAGs and assets outside their authorized scope. Users are recommended to upgrade to version 3.2.1, which fixes this issue.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1220
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存在安全漏洞，该漏洞源于资产依赖关系图未根据查看者的DAG读取权限限制节点，可能导致具有至少一个DAG读取权限的用户浏览部署中任何其他资产的资产图，并了解其授权范围之外的DAG和资产的存在及名称。
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 0 ~ 3.2.1 -

II. Public POCs for CVE-2026-40690

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III. Intelligence Information for CVE-2026-40690

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Same Patch Batch · Apache Software Foundation · 2026-04-24 · 7 CVEs total

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CVE-2025-62233 Apache DolphinScheduler: Deserialization of untrusted data in RPC
CVE-2026-23902 Apache DolphinScheduler: Users are able to use tenants that are not defined on the platfor
CVE-2026-38743 Apache Airflow: Dags endpoint might provide access to otherwise inaccessible entities

IV. Related Vulnerabilities

Same product: Apache Airflow
Same vendor: Apache Software Foundation
Same weakness: CWE-1220

V. Comments for CVE-2026-40690

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