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CVE-2026-75158— Apache Airflow: Assets events API returns asset events for every Dag with no per-Dag authorization filter

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's API returned asset events for every Dag in the deployment, with no filter restricting them to the Dags the caller is authorized to read. Any authenticated user holding asset-read access could therefore enumerate asset events — including the so

EPSS 0.23% · P14

Affected Version Matrix 1

VendorProduct Version RangeStatus
Apache Software Foundation Apache Airflow < 3.3.2 affected
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I. Basic Information for CVE-2026-75158

Vulnerability Information

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Vulnerability Title
Apache Airflow: Assets events API returns asset events for every Dag with no per-Dag authorization filter
Source: CVE Program / CVE List V5
Vulnerability Description
Apache Airflow's `/assets/events` API returned asset events for every Dag in the deployment, with no filter restricting them to the Dags the caller is authorized to read. Any authenticated user holding asset-read access could therefore enumerate asset events — including the source Dag ID, task ID, run ID and event timestamps — for Dags they have no permission to see. Because the filter was also absent from the count query, `total_entries` and pagination disclosed the existence of hidden Dags even without inspecting individual rows. Deployments are affected whenever per-Dag access control is used to separate teams or tenants; no special configuration is required. Upgrade to apache-airflow 3.3.2 or later.
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

Affected Products

Vendor Product Affected Versions CPE Subscribe
Apache Software Foundation Apache Airflow 0 ~ 3.3.2 -

II. Public POCs for CVE-2026-75158

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III. Intelligence Information for CVE-2026-75158

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Patches & Fixes for CVE-2026-75158 (1)

Mailing List Discussions for CVE-2026-75158 (1)

Same Patch Batch · Apache Software Foundation · 2026-09-21 · 10 CVEs total

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CVE-2026-91867 Apache Neethi: Remote policy fetch lacks a total timeout, allowing a slow server to hang t
CVE-2026-82355 Apache Airflow: Session cookie silently overrides explicit Authorization bearer header, en
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IV. Related Vulnerabilities

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

V. Comments for CVE-2026-75158

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