CVE-2026-41016
medium
CVSS v3
5.9
CVSS v4 NEW
—
VIR risk
5.9
Description
apache-airflow-providers-smtp: No certificate validation on SMTP STARTTLS connections in SMTP provider
Predictions
Exploit likelihood
69%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| PyPI | apache-airflow-providers-smtp | >=2.0.0,<3.0.0 | 3.0.0 |
| PIP | apache-airflow-providers-smtp | >= 2.0.0, < 3.0.0 | 3.0.0 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| apache | airflow | {"startIncluding":"2.0.0","endExcluding":"3.0.0"} | 3.0.0 |
References
- https://github.com/apache/airflow/pull/65346
- https://lists.apache.org/thread/gb202qy5r31bgdd3d51d7s5o1jh40kc4
- https://nvd.nist.gov/vuln/detail/CVE-2026-41016
- https://github.com/apache/airflow
- https://github.com/pypa/advisory-database/tree/main/vulns/apache-airflow-providers-smtp/PYSEC-2026-24.yaml
- https://github.com/advisories/GHSA-x8mh-94wc-33gv
CWEs
CWE-295
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.