CVE-2023-45348: Apache Airflow: Configuration information leakage vulnerability

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-10-14 · updated 2026-06-17
Weakness: CWE-200

Description

Apache Airflow, versions 2.7.0 and 2.7.1, is affected by a vulnerability that allows an authenticated user to retrieve sensitive configuration information when the "expose_config" option is set to "non-sensitive-only". The `expose_config` option is False by default. It is recommended to upgrade to a version that is not affected.

Affected products

Apache Airflow: from 2.7.0 before 2.7.2 — fixed in 2.7.2

How to fix

Upgrade to a fixed version: Apache Airflow 2.7.2. Check the vendor advisory for mitigations.

References

http://www.openwall.com/lists/oss-security/2023/10/23/2
https://github.com/apache/airflow/pull/34712
https://lists.apache.org/thread/sy4l5d6tn58hr8r61r2fkt1f0qock9z9
http://www.openwall.com/lists/oss-security/2023/10/23/2
https://github.com/apache/airflow/pull/34712
https://lists.apache.org/thread/sy4l5d6tn58hr8r61r2fkt1f0qock9z9

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