Medium 4.3Published Dec 15, 2025

CVE-2025-66388Apache Airflow: Secrets in rendered templates not redacted properly and exposed in the UI

Updated under an hour ago (Oct 27, 2026, 6:30 AM ET)

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It affects Apache Software Foundation Apache Airflow and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Apache Software Foundation Apache Airflow

Exploited in the last 30 days

A vulnerability in Apache Airflow allowed authenticated UI users to view secret values in rendered templates due to secrets not being properly redacted, potentially exposing secrets to users without the appropriate authorization. Users are recommended to upgrade to version 3.1.4, which fixes this issue.

CVSS: 4.3 MEDIUM (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness (CWE): CWE-201
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: apache
NVD analysis: Modified
Record last updated: Dec 16, 2025
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Apache Software Foundation Apache Airflow apache_software_foundation:apache_airflow (from the name)	from 3.1.0 before 3.1.4	CNA record
apache airflow apache:airflow	from 3.1.0 before 3.1.4	NVD

References

References

https://github.com/apache/airflow/pull/58772	patch, issue-tracking
https://lists.apache.org/thread/mv9hzsx8grjf7gdlkxwppnpbtogtls2g	vendor-advisory, mailing-list
http://www.openwall.com/lists/oss-security/2025/12/12/1	mailing-list, third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.