Apache Airflow exposes secrets backend credentials through the Config API
GHSA-9933-5rrp-mfwx · BIT-airflow-2026-48892 · CVE-2026-48892 · PYSEC-2026-2087
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Description
The Config API in Apache Airflow surfaced per-key secrets-backend overrides (environment variables like AIRFLOW__SECRETS__BACKEND_KWARG__SECRET_ID and AIRFLOW__WORKERS__SECRETS_BACKEND_KWARG__SECRET_ID) as synthetic config options whose option names were not in sensitive_config_values, so the masker did not redact them. An authenticated UI/API user with Config read permission could retrieve plaintext secrets-backend credentials (Vault role_id / secret_id, etc.) from the Config API output. Affects deployments that configure secrets backends via per-key environment overrides. Users are advised to upgrade to apache-airflow 3.3.0 or later.
References
- ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2026-48892
- WEB https://github.com/apache/airflow/pull/67622
- WEB https://github.com/apache/airflow/commit/f0f978d2736891a2f9e9d2954e87fc358e1ef4e3
- PACKAGE https://github.com/apache/airflow
- WEB https://github.com/pypa/advisory-database/tree/main/vulns/apache-airflow/PYSEC-2026-2087.yaml
- WEB https://lists.apache.org/thread/pq5yy40079h6tzh3fxvw28dd8dbk72hk
- WEB http://www.openwall.com/lists/oss-security/2026/07/07/4
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