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Apache Airflow OpenSearch Provider Credentials Leak via Task Logs (CVE-2026-43826)

The OpenSearch logging provider in Apache Airflow Providers OpenSearch versions before 1.9.1 wrote host URLs containing embedded credentials into task logs, potentially exposing them to unauthorized users with task-log read permission (CVE-2026-43826).

Airflow Providers OpenSearch credential-leak airflow opensearch
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