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CVE-2020-13927

Known Exploited (CISA KEV)CRITICAL
9.8
CVSS Severity Score
EPSS Score26.3210%
EPSS Percentile85.51th
PublishedNov 10, 2020
Last ModifiedOct 23, 2025

Vulnerability Description

The previous default setting for Airflow's Experimental API was to allow all API requests without authentication, but this poses security risks to users who miss this fact. From Airflow 1.10.11 the default has been changed to deny all requests by default and is documented at https://airflow.apache.org/docs/1.10.11/security.html#api-authentication. Note this change fixes it for new installs but existing users need to change their config to default `[api]auth_backend = airflow.api.auth.backend.deny_all` as mentioned in the Updating Guide: https://github.com/apache/airflow/blob/1.10.11/UPDATING.md#experimental-api-will-deny-all-request-by-default

Affected Platforms (CPE)

πŸ“¦
Apache

Airflow

< 1.10.11

References & Advisories

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