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CVE-2026-49487— Apache Airflow: Task-instance API exposes secrets in deferred trigger kwargs

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 Software Foundation Apache Airflow是Apache Software Foundation基金会的开源工作流调度与数据管道编排平台。 Apache Airflow 3.3.0之前版本存在信息泄露漏洞，该漏洞源于REST API任务实例详情和列表端点未对延迟任务的触发器kwargs进行掩码处理，可能导致已认证用户以明文读取敏感信息。以下版本受到影响：3.3.0之前版本。

AI Predicted 7.5 Difficulty: Easy EPSS 0.66% · P51

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

Affected Version Matrix 1

VendorProduct Version RangeStatus
Apache Software Foundation Apache Airflow < 3.3.0 affected
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I. Basic Information for CVE-2026-49487

Vulnerability Information
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Vulnerability Title
Apache Airflow: Task-instance API exposes secrets in deferred trigger kwargs
Source: CVE Program / CVE List V5
Vulnerability Description
In Apache Airflow before 3.3.0, the REST API task-instance detail and list endpoints returned a deferred task's trigger kwargs without masking. When a deferred operator passed a secret (for example a provider API key) into its trigger, any authenticated user with DAG-scoped task-instance read access for that DAG could read that secret in clear text while the task was deferred. Users should upgrade to apache-airflow 3.3.0 or later, which masks sensitive values in trigger kwargs returned by the API.
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 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache Software Foundation Apache Airflow是Apache Software Foundation基金会的开源工作流调度与数据管道编排平台。 Apache Airflow 3.3.0之前版本存在信息泄露漏洞，该漏洞源于REST API任务实例详情和列表端点未对延迟任务的触发器kwargs进行掩码处理，可能导致已认证用户以明文读取敏感信息。以下版本受到影响：3.3.0之前版本。
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 ~ 3.3.0 -

II. Public POCs for CVE-2026-49487

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III. Intelligence Information for CVE-2026-49487

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Patches & Fixes for CVE-2026-49487 (1)

Mailing List Discussions for CVE-2026-49487 (1)

Same Patch Batch · Apache Software Foundation · 2026-07-07 · 6 CVEs total

CVE-2026-33264 Apache Airflow: DAG author RCE on webserver via unrestricted import_string() in BaseSerial
CVE-2026-48828 Apache Airflow: Bulk JSON Variables bypass should_hide_value_for_key - redact() called wit
CVE-2026-49296 Apache Airflow: Per-DAG read bypass discloses co-located DAGs' source via GET /api/v2/dagS
CVE-2026-48891 Apache Airflow: /ui/dependencies scheduling graph leaks unreadable Dag identifiers via tri
CVE-2026-48892 Apache Airflow: Config API leaks per-key secrets backend kwargs - masker bypass on synthet

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-49487

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