OS command injection in Apache Airflow
Priority HIGH 68CWE-78Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-78.
Summary
An issue was found in Apache Airflow versions 1.10.10 and below. When using CeleryExecutor, if an attacker can connect to the broker (Redis, RabbitMQ) directly, it is possible to inject commands, resulting in the celery worker running arbitrary commands.
Why it matters now
EPSS 0.36787 98th percentileScored 2026-11-07
Fix Fixed apache-airflow (PyPI): 1.10.11rc1
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 | up to 1.10.10 | — | No fix listed | CNA |
| — | apache-airflow (PyPI) | before 1.10.11rc1 | 1.10.11rc1 | Patch available | GHSA-976r-qfjj-c24w |
- Apache Airflow VendorApache Affected up to 1.10.10 Fixed in — No fix listed CNA
- apache-airflow (PyPI) Vendor— Affected before 1.10.11rc1 Fixed in 1.10.11rc1 Patch available GHSA-976r-qfjj-c24w
Remediation
- Fix · GHSA-976r-qfjj-c24w apache-airflow (PyPI) Fixed in 1.10.11rc1 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2020-11981
- 2026-10-03 Alias added: GHSA-976r-qfjj-c24w
References
Advisory 3
Other 5
- https://github.com/apache/airflow/commit/1dda6fdde7c6bcaf0d6534786beeeba868006dd2
- https://github.com/apache/airflow/commit/afa4b11fddfdbadb048f742cf66d5c21c675a5c8
- https://github.com/apache/airflow
- https://github.com/pypa/advisory-database/tree/main/vulns/apache-airflow/PYSEC-2020-15.yaml
- https://web.archive.org/web/20220427031325/https://issues.apache.org/jira/browse/AIRFLOW-6351
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-2020-11981 · CVE Program
- CVE-2020-11981 · NVD
- FIRST EPSS
- GHSA-976r-qfjj-c24w · GitHub Advisory Database · CC BY 4.0
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