CVE-2022-27949: Apache Airflow prior to 2.3.1 may include sensitive values in rendered template

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-11-14 · updated 2026-06-17
Weakness: CWE-200

Description

A vulnerability in UI of Apache Airflow allows an attacker to view unmasked secrets in rendered template values for tasks which were not executed (for example when they were depending on past and previous instances of the task failed). This issue affects Apache Airflow prior to 2.3.1.

Affected products

Apache Airflow: before 2.3.1 — fixed in 2.3.1

How to fix

Upgrade to a fixed version: Apache Airflow 2.3.1. Check the vendor advisory for mitigations.

References

http://www.openwall.com/lists/oss-security/2022/11/14/3
https://github.com/apache/airflow/pull/22754
https://lists.apache.org/thread/n38oc5obb48600fsvnbopxcs0jpbp65p
http://www.openwall.com/lists/oss-security/2022/11/14/3
https://github.com/apache/airflow/pull/22754
https://lists.apache.org/thread/n38oc5obb48600fsvnbopxcs0jpbp65p

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