What is CVE-2026-32690?

CVE-2026-32690 is a low-severity vulnerability in Apache Airflow, classified under Exposure of Resource to Wrong Sphere. CVSS score: 3.7/10. Published 2026-04-18.

How severe is CVE-2026-32690?

Low severity. CVSS v3 base score is 3.7 out of 10.

Vulnerability in Apache Airflow

CVE-2026-32690

Secrets in Variables saved as JSON dictionaries were not properly redacted - in case thee variables were retrieved by the user the secrets stored as nested fields were not masked. If you do not store variables with sensitive values in JSON form, you are not affected. Otherwise please upgrade to Apache Airflow 3.2.0 that has the fix implemented

Published 2026-04-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.007 (49.4th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.007 · change: +0.002

Affected products

Apache Airflow
Apache Software Foundation Airflow — versions 3.0.0

Weakness classification (CWE)

CWE-668 — Exposure of Resource to Wrong Sphere

References

github.com/apache/airflow/pull/63480 (patch, Issue Tracking)
lists.apache.org/thread/7rnzxofntcznqxnhsmjvvlvygwph7rn5 (vendor-advisory, Mailing List, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2026-32690?: CVE-2026-32690 is a low-severity vulnerability in Apache Airflow, classified under Exposure of Resource to Wrong Sphere. CVSS score: 3.7/10. Published 2026-04-18.
How severe is CVE-2026-32690?: Low severity. CVSS v3 base score is 3.7 out of 10.