{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-86792", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "state": "PUBLISHED", "assignerShortName": "apache", "dateReserved": "2026-09-08T11:54:21.118Z", "datePublished": "2026-09-16T09:08:20.184Z", "dateUpdated": "2026-09-16T14:55:08.304Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "packageURL": "pkg:pypi/apache-airflow-providers-apache-kafka", "product": "Apache Airflow Apache Kafka provider", "vendor": "Apache Software Foundation", "versions": [{"lessThan": "2.0.0", "status": "affected", "version": "1.15.0", "versionType": "semver"}], "collectionURL": "https://pypi.python.org", "packageName": "apache-airflow-providers-apache-kafka"}], "credits": [{"lang": "en", "type": "tool", "value": "Claude Security Scans"}, {"lang": "en", "type": "remediation developer", "value": "Christos Bisias"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "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 \u2014 `dag_run_events_enabled` or `task_instance_events_enabled`, both disabled by default \u2014 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."}], "value": "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 \u2014 `dag_run_events_enabled` or `task_instance_events_enabled`, both disabled by default \u2014 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."}], "metrics": [{"other": {"content": {"text": "moderate"}, "type": "Textual description of severity"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-470", "description": "CWE-470: Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection')", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2026-09-16T14:55:08.304Z"}, "references": [{"tags": ["patch"], "url": "https://github.com/apache/airflow/pull/72208"}, {"tags": ["vendor-advisory"], "url": "https://lists.apache.org/thread/jl4gpok02313yh3rvtvj8qbo11c6zpr2?users@airflow.apache.org"}, {"url": "https://lists.apache.org/thread/jl4gpok02313yh3rvtvj8qbo11c6zpr2", "tags": ["vendor-advisory"]}], "source": {"discovery": "UNKNOWN"}, "title": "Apache Airflow Apache Kafka provider: Connection-editor remote code execution on the Scheduler via Kafka connection callback configuration", "x_generator": {"engine": "airflow-s/generate_cve_json.py"}}, "adp": [{"title": "CVE Program Container", "references": [{"url": "http://www.openwall.com/lists/oss-security/2026/09/15/15"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-09-16T09:13:26.513Z"}}]}}

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{"affected": [{"affectedData": [{"collectionURL": "https://pypi.python.org", "defaultStatus": "unaffected", "packageName": "apache-airflow-providers-apache-kafka", "packageURL": "pkg:pypi/apache-airflow-providers-apache-kafka", "product": "Apache Airflow Apache Kafka provider", "vendor": "Apache Software Foundation", "versions": [{"lessThan": "2.0.0", "status": "affected", "version": "1.15.0", "versionType": "semver"}]}], "source": "security@apache.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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 \u2014 `dag_run_events_enabled` or `task_instance_events_enabled`, both disabled by default \u2014 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."}], "id": "CVE-2026-86792", "lastModified": "2026-09-16T10:16:55.060", "metrics": {}, "published": "2026-09-16T10:16:55.060", "references": [{"source": "security@apache.org", "url": "https://github.com/apache/airflow/pull/72208"}, {"source": "security@apache.org", "url": "https://lists.apache.org/thread/jl4gpok02313yh3rvtvj8qbo11c6zpr2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2026/09/15/15"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-470"}], "source": "security@apache.org", "type": "Primary"}]}

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