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CVE-2026-26929

MEDIUM CVSS 3.1: 6.5 EPSS 0.05%
Updated Mar 17, 2026
Apache
Parameter Value
CVSS 6.5 (MEDIUM)
Affected Versions 3.0.0 — 3.1.8
Fixed In 3.1.8
Type CWE-732 (Incorrect Permission Assignment)
Vendor Apache
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
None
No data modification
Availability
None
No disruption

CVSS Vector v3.1

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Apache Airflow
cpe:2.3:a:apache:airflow:*:*:*:*:*:*:*:*
3.0.0 3.1.8