Authorization Flaw in Apache Airflow Affects Multiple Versions
CVE-2026-26929

6.5MEDIUM

Key Information:

Vendor

Apache
Status
Apache Airflow
Vendor
CVE Published:
17 March 2026

What is CVE-2026-26929?

The FastAPI DagVersion listing API in Apache Airflow versions 3.0.0 through 3.1.7 does not implement proper per-DAG authorization filtering when requests are made with a wildcard dag_id ('~'). This allows unauthorized users to access metadata for DAGs that they are not permitted to view, exposing sensitive information. It is crucial for users to upgrade to Apache Airflow version 3.1.8 or later to mitigate this vulnerability.

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Deploy the Patch

Affected Version(s)

Apache Airflow 3.0.0 < 3.1.8

References

https://github.com/apache/airflow/pull/61675
patch
https://lists.apache.org/thread/g5o6khx83jwqvdyn0mlyb0krt...
vendor-advisory

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Pierre Jeambrun
JSON
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