{"id":3719,"date":"2026-09-04T18:42:42","date_gmt":"2026-09-04T10:42:42","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-49267"},"modified":"2026-09-04T18:42:42","modified_gmt":"2026-09-04T10:42:42","slug":"cve-2026-49267","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-49267","title":{"rendered":"CVE-2026-49267 [MEDIUM] &#8211; Apache Airflow&#8217;s EmailOperator and the underlying `airflow.utils.email` helpers establishe"},"content":{"rendered":"<p>Apache Airflow&#8217;s EmailOperator and the underlying `airflow.utils.email` helpers established SMTP STARTTLS connections without verifying the remote certificate when the deployment used `[email] smtp_starttls=True` without `[email] smtp_ssl`. An attacker positioned between the worker and the configured SMTP server (network MITM \u2014 typical hostile-network attack-surface for environments where the SMTP relay sits outside the worker&#8217;s trust boundary) could present a self-signed certificate, have the worker complete the STARTTLS handshake silently, and capture the SMTP AUTH credentials and message contents the worker forwarded.<\/p>\n<p>This CVE covers the **core apache-airflow side** of the same root cause already covered for the SMTP provider by `CVE-2026-41016` (published 2026-04-27, covering `apache-airflow-providers-smtp`). Users who already applied the SMTP-provider fix from CVE-2026-41016 should additionally upgrade `apache-airflow` to 3.2.2 or later to cover the core-side path through `airflow.utils.email`. Affects deployments configured with `smtp_starttls=True` and `smtp_ssl=False` where the SMTP relay is reachable across a less-trusted network segment than the worker.<\/p>\n<p>Users are advised to upgrade to `apache-airflow` 3.2.2 or later.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Apache Airflow&#8217;s EmailOperator and the underlying `airflow.utils.email` helpers established SMTP STARTTLS connections without verifying the remote certificate when the deployment used `[email] smtp_st<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-3719","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/3719","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln"}],"about":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/types\/vuln"}],"wp:attachment":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3719"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3719"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3719"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}