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  4. CVE 2026 86792 apache airflow apache kafka provider connection
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Back to active CVEs
High · CVSS 8.8CVE-2026-86792

Apache Airflow Apache Kafka provider: Connection-editor remote code execution on the Scheduler via Kafka connection callback configurationCVE-2026-86792

Answer in brief

CVE-2026-86792 records a High severity (CVSS 8.8) vulnerability in Apache Airflow Apache Kafka provider: Connection-editor remote code execution on the Scheduler via Kafka connection callback configuration. The current sources do not mark it as known exploited. The current feed maps Apache Software Foundation/Apache Airflow Apache Kafka provider (generic), apache-airflow-providers-apache-kafka (pypi). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 16, 2026Updated Sep 19, 2026Source checked Oct 31, 2026First seen by HOL Sep 16, 2026Material review Sep 19, 2026
Upstream Advisory

Record context

Vulnerability class
RCE
EPSS
Not reported
CWE IDs
CWE-470
Source
CVE List V5
Source checked
Oct 31, 2026
References
4 linked sources
Open source record

Key facts

Risk
High · CVSS 8.8
Exploitation
Not marked as known exploited
Affected software
3 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 8.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Apache Software Foundation/Apache Airflow Apache Kafka provider (generic), apache-airflow-providers-apache-kafka (pypi). Check affected ranges and fixed versions before updating.

Affected products and reported versions
ProductAffected versionsFixed versions
cpe:2.3:a:apache:apache-airflow-providers-apache-kafka:*:*:*:*:*:*:*:*Not reportedNot reported
Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Apache Software Foundation/Apache Airflow Apache Kafka providergeneric>=1.15.0 <2.0.02.0.0
apache-airflow-providers-apache-kafkapypi>=1.15.0 <2.0.02.0.0

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Apache Software Foundation/Apache Airflow Apache Kafka provider, apache-airflow-providers-apache-kafka.
  2. 2Review the reported fix. Update Apache Software Foundation/Apache Airflow Apache Kafka provider to 2.0.0; apache-airflow-providers-apache-kafka to 2.0.0 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Sep 16, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Sep 19, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Sep 16, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • Source referencelists.apache.org
  • Source referencelists.apache.org
  • Source referenceopenwall.com
Upstream source description

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.

Quoted source text, attributed separately from HOL analysis.