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Servers and applications

CVE-2020-13927

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…

Actively exploited: CISA added it to its Known Exploited Vulnerabilities catalog on 18 Jan 2022.

Severity
Critical 9.8
Published
10 Nov 2020
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
1.10.11
Sources
NVD

Affected software

SoftwareAffected versions
Apache AirflowServers and applications · cpe:a:apache:airflow
  • Every version before 1.10.11

Known exploited

CISA name
Apache Airflow's Experimental API Authentication Bypass
Required action
Apply updates per vendor instructions.
Due for US agencies
18 Jul 2022
Used in ransomware
Not known

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-13927
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-13927