Improper input validation in Apache Airflow
Priority MEDIUM 43CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub.
Summary
In Apache Airflow 1.8.2 and earlier, an authenticated user can execute code remotely on the Airflow webserver by creating a special object.
Why it matters now
EPSS 0.02532 85th percentileScored 2026-11-07
Fix Fixed apache-airflow (PyPI): 1.9.0
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Apache | Apache Airflow | Apache Airflow <= 1.8.2 | — | No fix listed | CNA |
| — | apache-airflow (PyPI) | before 1.9.0 | 1.9.0 | Patch available | GHSA-8fg4-j562-mjrc |
- Apache Airflow VendorApache Affected Apache Airflow <= 1.8.2 Fixed in — No fix listed CNA
- apache-airflow (PyPI) Vendor— Affected before 1.9.0 Fixed in 1.9.0 Patch available GHSA-8fg4-j562-mjrc
Remediation
- Fix · GHSA-8fg4-j562-mjrc apache-airflow (PyPI) Fixed in 1.9.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2017-15720
- 2026-10-03 Alias added: GHSA-8fg4-j562-mjrc
References
Advisory 2
Other 6
- https://lists.apache.org/thread.html/ade4d54ebf614f68dc81a08891755e60ea58ba88e0209233eeea5f57%40%3Cdev.airflow.apache.org%3E
- https://github.com/apache/airflow/commit/04cacdd0a7526927137b452f38c3e894a5d2ce4a
- https://github.com/apache/airflow/commit/daa281c0364609d6812921123cf47e4118b40484
- https://github.com/apache/airflow
- https://github.com/pypa/advisory-database/tree/main/vulns/apache-airflow/PYSEC-2019-147.yaml
- https://lists.apache.org/thread.html/ade4d54ebf614f68dc81a08891755e60ea58ba88e0209233eeea5f57@%3Cdev.airflow.apache.org%3E
More Apache Airflow vulnerabilities
- TI-2020-10905 Missing authentication in Apache Airflow KEVCVSS 3.1CRITICAL 9.8
- TI-2020-09638 OS command injection in Apache Airflow KEVCVSS 3.1HIGH 8.8
- TI-2022-19017 Apache Airflow <2.4.0 has an RCE in a bash example CVSS 3.1HIGH 8.8
- TI-2021-16140 Apache Airflow: Variable Import endpoint missed authentication check CVSS 3.1CRITICAL 9.8
- TI-2022-08169 Apache Airflow: RCE in example DAGs CVSS 3.1HIGH 8.8
- TI-2024-26776 Apache Airflow: DAG Author Code Execution possibility in airflow-scheduler CVSS 3.1HIGH 8.8
Sources
- CVE-2017-15720 · CVE Program
- CVE-2017-15720 · NVD
- FIRST EPSS
- GHSA-8fg4-j562-mjrc · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences