PyPI/apache-airflow-providers-smtp CVE-2026-41016: medium 5.9, EPSS 0.27%
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
Action: Upgrade apache-airflow-providers-smtp to 3.0.0 or later.
pip install apache-airflow-providers-smtp==3.0.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 2.0.0 | 3.0.0 | - |
Fixed versions
| 3.0.0 |
Sources
- osv: PYSEC-2026-24
- https://lists.apache.org/thread/gb202qy5r31bgdd3d51d7s5o1jh40kc4
- https://github.com/apache/airflow/pull/65346
- https://github.com/advisories/GHSA-x8mh-94wc-33gv
CVE-2026-41016 · published · modified · JSON