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CVE-2026-59244— Apache Airflow: Secrets masker: `var.json` Variable values not masked in the Rendered Templates UI

AI Predicted 5.3 Difficulty: Moderate EPSS 0.23% · P14

Possible ATT&CK Techniques 1AI

T1530 · Data from Cloud Storage

Affected Version Matrix 1

VendorProductVersion RangeStatus
Apache Software FoundationApache Airflow< 3.3.1affected
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I. Basic Information for CVE-2026-59244

Vulnerability Information
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Vulnerability Title
Apache Airflow: Secrets masker: `var.json` Variable values not masked in the Rendered Templates UI
Source: CVE Program / CVE List V5
Vulnerability Description
Apache Airflow's secrets masker did not mask `var.json` Variable values whose value is a dict in the Rendered Templates UI — the dict value failed an `isinstance(str)` guard — so a secret stored as a JSON Variable and referenced in a template via `var.json` was displayed in cleartext to any user with access to that task's Rendered Templates view. Users are advised to upgrade to apache-airflow 3.3.1 or later, which masks nested Variable values regardless of type.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
敏感数据的明文存储
Source: CVE Program / CVE List V5
Vulnerability Title
Apache Airflow 加密问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache Airflow是美国Apache基金会开源的一个工作流调度和数据处理平台。 Apache Airflow 3.3.1之前版本存在加密问题漏洞，该漏洞源于secrets masker未遮蔽值为字典的var.json Variable，导致秘密以明文显示给可访问Rendered Templates视图的用户。
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

VendorProductAffected VersionsCPESubscribe
Apache Software FoundationApache Airflow 0 ~ 3.3.1 -

II. Public POCs for CVE-2026-59244

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III. Intelligence Information for CVE-2026-59244

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Patches & Fixes for CVE-2026-59244 (1)

Mailing List Discussions for CVE-2026-59244 (1)

Same Patch Batch · Apache Software Foundation · 2026-08-12 · 17 CVEs total

CVE-2026-68868Apache Airflow Google provider: google Secret Manager backend: team scope is never applied
CVE-2026-68076Apache Airflow: Connections test API: team-scope guard bypass resolves another team's envi
CVE-2026-68971Apache Airflow: Cross-team authorization bypass in the asset materialization and dag-run r
CVE-2026-68970Apache Airflow: Values of a list-shaped Variable are not masked in task logs and the Rende
CVE-2026-68969Apache Airflow: Bulk Variable and Connection endpoints record secret values in the audit l
CVE-2026-68968Apache Airflow: Authorization bypass in the Backfill API through conflicting interpretatio
CVE-2026-65017Apache Airflow: Config API: team-scoped Celery broker secret disclosed to a Viewer (multi-
CVE-2026-67587Apache Airflow: DAG-author remote code execution on the Scheduler via a Serde `Callback` d
CVE-2026-67260Apache Airflow: DAG-author remote code execution on the Scheduler via awaiting_input next_
CVE-2026-54183Apache Airflow: Airflow Variables were not masked in the UI for authenticated users
CVE-2026-59242Apache Airflow: Arbitrary airflow.* class instantiation on the API server via the XCom des
CVE-2026-58076Apache Airflow: Unguarded import_string() of airflow_exc_ser / base_exc_ser exception node
CVE-2026-73240Apache Allura: Git command injection
CVE-2026-73239Apache Allura: Missing permission checks IDOR
CVE-2026-73238Apache Allura: XSS in code display
CVE-2026-73237Apache Allura: XSS in markdown pipeline

IV. Related Vulnerabilities

Same product: Apache Airflow
Same vendor: Apache Software Foundation
Same weakness: CWE-312

V. Comments for CVE-2026-59244

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