Information disclosure in Apache Airflow
CVE-2026-31987
JWT Tokens used by tasks were exposed in logs. This could allow UI users to act as Dag Authors. Users are advised to upgrade to Airflow version that contains fix. Users are recommended to upgrade to version 3.2.0, which fixes this issue.
EPSS: 0.007 (50.8th 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
- Apache Airflow
- Apache Software Foundation Airflow — versions 3.0.0
Weakness classification (CWE)
References
- security@apache.org (Patch, Third Party Advisory, patch, Issue Tracking)
- security@apache.org (issue-tracking, Issue Tracking)
- security@apache.org (issue-tracking, Issue Tracking)
- security@apache.org (vendor-advisory, Mailing List, Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2026-31987?
- CVE-2026-31987 is a high-severity vulnerability in Apache Airflow, classified under Insertion of Sensitive Information into Log File. CVSS score: 7.5/10. Published 2026-04-16.
- How severe is CVE-2026-31987?
- High severity. CVSS v3 base score is 7.5 out of 10.