Information disclosure in Apache Airflow

CVE-2025-68438

In Apache Airflow versions before 3.1.6, when rendered template fields in a Dag exceed [core] max_templated_field_length, sensitive values could be exposed in cleartext in the Rendered Templates UI. This occurred because serialization of t…

Vulnerability class: Information Disclosure

EPSS: 0.006 (43.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-68438?
CVE-2025-68438 is a high-severity vulnerability in Apache Airflow, classified under Information Disclosure. CVSS score: 7.5/10. Published 2026-01-16.
How severe is CVE-2025-68438?
High severity. CVSS v3 base score is 7.5 out of 10.