What is CVE-2023-45348?

CVE-2023-45348 is a medium-severity vulnerability in Apache Airflow, classified under Information Disclosure. CVSS score: 4.3/10. Published 2023-10-14.

How severe is CVE-2023-45348?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Information disclosure in Apache Airflow

CVE-2023-45348

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.

Vulnerability class: Information Disclosure

Published 2023-10-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.012 (67.8th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 67.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Apache Airflow
Apache Software Foundation Airflow — versions 2.7.0

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

github.com/apache/airflow/pull/34712 (Patch, patch)
lists.apache.org/thread/sy4l5d6tn58hr8r61r2fkt1f0qock9z9 (vendor-advisory, Mailing List, Vendor Advisory)
www.openwall.com/lists/oss-security/2023/10/23/2 (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2023-45348?: CVE-2023-45348 is a medium-severity vulnerability in Apache Airflow, classified under Information Disclosure. CVSS score: 4.3/10. Published 2023-10-14.
How severe is CVE-2023-45348?: Medium severity. CVSS v3 base score is 4.3 out of 10.