CVE-2026-32690: Apache Airflow: 3.x - Nested Variable Secret Values Bypass Redaction via max_depth=1
Secrets in Variables saved as JSON dictionaries were not properly redacted - in case the variables were retrieved by the user the secrets stored as nested fields were not masked.
If developers do not store variables with sensitive values in JSON form, their projects are not affected. Otherwise upgrade to the fixed version, Apache Airflow 3.2.0.
Other sources
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
— MITRE
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-32690?
CVE-2026-32690 has a medium severity level due to the potential exposure of sensitive data stored in JSON dictionaries.
How do I fix CVE-2026-32690?
To fix CVE-2026-32690, upgrade to Apache Airflow version 3.2.0 or later where the issue is resolved.
What impact does CVE-2026-32690 have on my Apache Airflow deployment?
CVE-2026-32690 allows unauthorized users to access unredacted secrets, which could lead to credential exposure.
Which versions of Apache Airflow are affected by CVE-2026-32690?
CVE-2026-32690 affects Apache Airflow versions 3.0.0 to 3.2.0.
Are there any workarounds for CVE-2026-32690?
There are no specific workarounds for CVE-2026-32690; upgrading to the patched version is recommended.