CVE-2021-26559

CVE-2021-26559: CWE-284 Improper Access Control on Configurations Endpoint for the Stable API

Vendor Apache Software Foundation

Product Apache Airflow

Weakness CWE-284

Published February 17, 2021

Last update February 13, 2025

View on NVD All CVEs

CVSS base score

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What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

February 17, 2021 CVE published

February 13, 2025 Record updated

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2021-26559 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/284.html