{"id":"CVE-2026-48892","aliases":["BIT-airflow-2026-48892","GHSA-9933-5rrp-mfwx","PYSEC-2026-2087"],"url":"https://o3.security/vulnerability/CVE-2026-48892","summary":"Apache Airflow: Config API leaks per-key secrets backend kwargs - masker bypass on synthetic options","details":"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.","published":"2026-07-07T09:16:26.466Z","modified":"2026-09-04T19:40:26.527966097Z","cvss":{"score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},"epss":{"score":0.00664,"percentile":0.47937,"asOf":"2026-07-23"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"apache-airflow","fixedVersion":"3.3.0"}],"fix":{"url":"https://github.com/apache/airflow/pull/67622","label":"apache/airflow#67622"},"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2026/07/07/4"},{"type":"WEB","url":"https://pypi.python.org"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/48xxx/CVE-2026-48892.json"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/pq5yy40079h6tzh3fxvw28dd8dbk72hk"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-48892"},{"type":"FIX","url":"https://github.com/apache/airflow/pull/67622"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-04T19:40:26.527966097Z"}}