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CVE-2026-26929— Apache Airflow: Wildcard DagVersion Listing Bypasses Per‑DAG RBAC and Leaks Metadata

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 3.0.0至3.1.7版本存在安全漏洞，该漏洞源于FastAPI DagVersion列表API在请求使用通配符dag_id时未应用每DAG授权过滤，可能导致返回请求者无权访问的DAG的版本元数据。

AI Predicted 7.5 Difficulty: Easy EPSS 0.64% · P50

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2026-26929

Vulnerability Information
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Vulnerability Title
Apache Airflow: Wildcard DagVersion Listing Bypasses Per‑DAG RBAC and Leaks Metadata
Source: CVE Program / CVE List V5
Vulnerability Description
Apache Airflow versions 3.0.0 through 3.1.7 FastAPI DagVersion listing API does not apply per-DAG authorization filtering when the request is made with dag_id set to "~" (wildcard for all DAGs). As a result, version metadata of DAGs that the requester is not authorized to access is returned. Users are recommended to upgrade to Apache Airflow 3.1.8 or later, which resolves this issue.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
关键资源的不正确权限授予
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 3.0.0至3.1.7版本存在安全漏洞，该漏洞源于FastAPI DagVersion列表API在请求使用通配符dag_id时未应用每DAG授权过滤，可能导致返回请求者无权访问的DAG的版本元数据。
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 3.0.0 ~ 3.1.8 -

II. Public POCs for CVE-2026-26929

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III. Intelligence Information for CVE-2026-26929

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Patches & Fixes for CVE-2026-26929 (1)

Mailing List Discussions for CVE-2026-26929 (1)

Same Patch Batch · Apache Software Foundation · 2026-03-17 · 4 CVEs total

CVE-2026-28563 Apache Airflow: DAG authorization bypass
CVE-2026-30911 Apache Airflow: Execution API HITL Endpoints Missing Per-Task Authorization
CVE-2026-28779 Apache Airflow: Path of session token in cookie does not consider base_url - session hijac

IV. Related Vulnerabilities

Same product: Apache Airflow
Same vendor: Apache Software Foundation
Same weakness: CWE-732

V. Comments for CVE-2026-26929

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