CVE-2021-26559

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

Improper Access Control on Configurations Endpoint for the Stable API of Apache Airflow allows users with Viewer or User role to get Airflow Configurations including sensitive information even when `[webserver] expose_config` is set to `False` in `airflow.cfg`. This allowed a privilege escalation attack. This issue affects Apache Airflow 2.0.0.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-284

Affected software

No affected versions have been published.

Timeline

Published: Feb 17, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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