Unrated severityNVD Advisory· Published Jul 7, 2026· Updated Jul 7, 2026
Apache Airflow: Task-instance API exposes secrets in deferred trigger kwargs
CVE-2026-49487
Description
In Apache Airflow before 3.3.0, the REST API task-instance detail and list endpoints returned a deferred task's trigger kwargs without masking. When a deferred operator passed a secret (for example a provider API key) into its trigger, any authenticated user with DAG-scoped task-instance read access for that DAG could read that secret in clear text while the task was deferred. Users should upgrade to apache-airflow 3.3.0 or later, which masks sensitive values in trigger kwargs returned by the API.
Affected products
2Patches
Vulnerability mechanics
References
2- github.com/apache/airflow/pull/67868mitrepatch
- lists.apache.org/thread/qlw6pozlzlfhkvmbgqsbjlq6vj4v0pc4mitrevendor-advisory
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