{"action":"Upgrade apache-airflow-providers-smtp to 3.0.0 or later.","affected":[{"fixed":"3.0.0","introduced":"2.0.0"}],"component":"apache-airflow-providers-smtp","cve_ids":["CVE-2026-41016"],"ecosystem":"PyPI","epss":0.00268,"exploited":false,"fixed_versions":["3.0.0"],"ghsa_id":"GHSA-x8mh-94wc-33gv","id":"tcs_01M5KGZ81KNCA2EP95P6EPTNNH","modified_at":"2026-06-10T17:00:18.977806756Z","published_at":"2026-04-30T10:16:01.930Z","references":["https://osv.dev/vulnerability/PYSEC-2026-24","https://lists.apache.org/thread/gb202qy5r31bgdd3d51d7s5o1jh40kc4","https://github.com/apache/airflow/pull/65346","https://github.com/advisories/GHSA-x8mh-94wc-33gv"],"severity":{"label":"medium","score":5.9},"sources":[{"source":"osv","source_id":"PYSEC-2026-24","url":"https://osv.dev/vulnerability/PYSEC-2026-24"}],"summary":"Apache Airflow's SMTP provider `SmtpHook` called Python's `smtplib.SMTP.starttls()` without an SSL context, so no certificate validation was performed on the TLS upgrade. A man-in-the-middle between t"}