CVE-2026-86792
CVE-2026-86792 · Apache Airflow Apache Kafka provider: Connection-editor remote code execution on the Scheduler via Kafka connection callback configuration
This page contains facts from public vulnerability sources. Check the original advisory before updating.
Apache Airflow Apache Kafka provider versions 1.15.0 before 2.0.0 resolve dotted-path strings found in a Kafka connection's `extra` field into Python callables via `import_string`, with no allowlist, and hand them to the confluent-kafka client which invokes them. Deployments that have enabled the Kafka event producer — `dag_run_events_enabled` or `task_instance_events_enabled`, both disabled by default — build that client inside the scheduler process, so a user whose only privilege is editing Airflow connections gains arbitrary code execution in the control plane; the Airflow security model limits connection-configuration users to code execution on workers, not the scheduler. Deployments using Google Managed Kafka are not affected, because that code path overwrites any user-supplied `oauth_cb`; plain brokers and Amazon MSK are exposed. Users are recommended to upgrade to apache-airflow-providers-apache-kafka 2.0.0 or later, which adds an allowlist configuration option for connection-string callbacks.
CVSS 8.8 · High · EPSS 1.2% · Fix available
- Published
- Updated
Stack: python
Affected products and versions
apache airflow apache kafka provider
- Versions
- ≥ 1.15.0, < 2.0.0: Affected (semver)
Update to 2.0.0
apache-airflow-providers-apache-kafka PyPI
- Versions
- 1.15.0
- 1.15.1
- 1.15.1rc1
- 1.15.1rc2
- 1.16.0
- 1.16.0rc1
- 2.0.0rc1
- Affected ranges
- ECOSYSTEM: ≥ 1.15.0, < 2.0.0
Update to 2.0.0