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CVE-2026-41016 Apache Airflow Providers SMTP: No certificate validation on SMTP STARTTLS connections in SMTP provider

🗓️ 30 Apr 2026 09:09:45Reported by apacheType 
cvelist
 cvelist
🔗 www.cve.org👁 27 Views

SmtpHook did not validate certificates during STARTTLS, enabling MITM to capture credentials; upgrade to fixed SMTP provider.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-41016
30 Apr 202609:09
attackerkb
ATTACKERKB
CVE-2026-49267
1 Jun 202607:53
attackerkb
Chainguard
CVE-2026-41016 vulnerabilities
2 Jun 202619:17
cgr
Circl
CVE-2026-41016
30 Apr 202613:22
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CNNVD
Apache Airflow 信任管理问题漏洞
30 Apr 202600:00
cnnvd
CVE
CVE-2026-41016
30 Apr 202609:09
cve
EUVD
EUVD-2026-26359
30 Apr 202609:09
euvd
EUVD
EUVD-2026-33594
1 Jun 202607:53
euvd
Github Security Blog
apache-airflow-providers-smtp: No certificate validation on SMTP STARTTLS connections in SMTP provider
30 Apr 202612:33
github
NVD
CVE-2026-41016
30 Apr 202610:16
nvd
Rows per page
[
  {
    "collectionURL": "https://pypi.python.org",
    "defaultStatus": "unaffected",
    "packageName": "apache-airflow-providers-smtp",
    "product": "Apache Airflow Providers SMTP",
    "vendor": "Apache Software Foundation",
    "versions": [
      {
        "lessThan": "3.0.0",
        "status": "affected",
        "version": "2.0.0",
        "versionType": "semver"
      }
    ]
  }
]

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