CVE-2026-86792High· 8.8▾ TwilightApache 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 …
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 48.4 · likelihood 0.2 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Sep 17.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.5%
— → 8.8
none → high
Last analysed / modified upstream
0.5% → 1.2%
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.
apache-airflow-providers-apache-kafka >= 1.15.0, < 2.0.0Upgrade past the affected range:
apache-airflow-providers-apache-kafka 2.0.0Affected packages:
apache-airflow-providers-apache-kafka >= 1.15.0, < 2.0.0Patched in:
apache-airflow-providers-apache-kafka 2.0.0Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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