Cross-site scripting in Apache Airflow
Priority MEDIUM 44CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-79.
Summary
The "origin" parameter passed to some of the endpoints like '/trigger' was vulnerable to XSS exploit. This issue affects Apache Airflow versions prior to 1.10.13. This is same as CVE-2020-13944 but the implemented fix in Airflow 1.10.13 did not fix the issue completely.
Why it matters now
EPSS 0.16214 96th percentileScored 2026-11-07
Fix Fixed Apache Airflow (Apache Software Foundation): 1.10.13apache-airflow (PyPI): 1.10.15rc1, 2.0.2rc1
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 to before 1.10.13 | 1.10.13 | Patch available | CNA |
| — | apache-airflow (PyPI) | before 1.10.15rc1 | 1.10.15rc1 | Patch available | GHSA-86vp-x3pr-79rx |
| — | apache-airflow (PyPI) | 2.0.0b1 to before 2.0.2rc1 | 2.0.2rc1 | Patch available | GHSA-86vp-x3pr-79rx |
- Apache Airflow VendorApache Affected Apache Airflow to before 1.10.13 Fixed in 1.10.13 Patch available CNA
- apache-airflow (PyPI) Vendor— Affected before 1.10.15rc1 Fixed in 1.10.15rc1 Patch available GHSA-86vp-x3pr-79rx
- apache-airflow (PyPI) Vendor— Affected 2.0.0b1 to before 2.0.2rc1 Fixed in 2.0.2rc1 Patch available GHSA-86vp-x3pr-79rx
Remediation
- Fix · CNA Apache Airflow (Apache Software Foundation) Fixed in 1.10.13
- Fix · GHSA-86vp-x3pr-79rx apache-airflow (PyPI) Fixed in 1.10.15rc1 Advisory →
- Fix · GHSA-86vp-x3pr-79rx apache-airflow (PyPI) Fixed in 2.0.2rc1 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2020-17515
- 2026-10-03 Alias added: GHSA-86vp-x3pr-79rx
References
Advisory 5
- https://lists.apache.org/thread.html/r4656959c8ed06c1f6202d89aa4e67b35ad7bdba5a666caff3fea888e%40%3Cusers.airflow.apache.org%3E
- [oss-security] 20201211 CVE-2020-17515: Apache Airflow Reflected XSS via Origin Parameter
- [oss-security] 20210501 CVE-2021-28359: Apache Airflow Reflected XSS via Origin Query Argument in URL
- https://nvd.nist.gov/vuln/detail/CVE-2020-17515
- https://github.com/advisories/GHSA-86vp-x3pr-79rx
Other 22
- [airflow-dev] 20201211 Apache Airflow Security Vulnerabilities fixed in v1.10.13: CVE-2020-17515
- [airflow-users] 20201211 Apache Airflow Security Vulnerabilities fixed in v1.10.13: CVE-2020-17515
- [announce] 20201211 Apache Airflow Security Vulnerabilities fixed in v1.10.13: CVE-2020-17515
- [airflow-users] 20210501 CVE-2021-28359: Apache Airflow Reflected XSS via Origin Query Argument in URL
- [announce] 20210501 Apache Airflow CVE: CVE-2021-28359: Apache Airflow Reflected XSS via Origin Query Argument in URL
- https://github.com/apache/airflow/pull/14738
- https://github.com/apache/airflow/commit/13336272e32872247fa7d17e964ccd88ec8d1376
- https://github.com/apache/airflow/commit/409c249121bd9c8902fc2ba551b21873ab41f953
- https://github.com/apache/airflow/commit/7486153f451e4d2bb1c6fd9cbb5a63430157c99c
- https://github.com/apache/airflow/commit/ab8c55878e3e4257d2276226cb17b047ba856686
- https://github.com/apache/airflow/commit/c6369beed53d41c0a70415b0d958bf0604124ad7
- https://pypi.org/project/apache-airflow
- https://lists.apache.org/thread.html/rc005f4de9d9b0ba943ceb8ff5a21a5c6ff8a9df52632476698d99432@%3Cannounce.apache.org%3E
- https://lists.apache.org/thread.html/ra8ce70088ba291f358e077cafdb14d174b7a1ce9a9d86d1b332d6367@%3Cusers.airflow.apache.org%3E
- https://lists.apache.org/thread.html/r4656959c8ed06c1f6202d89aa4e67b35ad7bdba5a666caff3fea888e@%3Cusers.airflow.apache.org%3E
- https://lists.apache.org/thread.html/r2892ef594dbbf54d0939b808626f52f7c2d1584f8aa1d81570847d2a@%3Cusers.airflow.apache.org%3E
- https://lists.apache.org/thread.html/r2892ef594dbbf54d0939b808626f52f7c2d1584f8aa1d81570847d2a@%3Cdev.airflow.apache.org%3E
- https://lists.apache.org/thread.html/r2892ef594dbbf54d0939b808626f52f7c2d1584f8aa1d81570847d2a@%3Cannounce.apache.org%3E
- https://github.com/pypa/advisory-database/tree/main/vulns/apache-airflow/PYSEC-2020-21.yaml
- https://github.com/apache/airflow/releases/tag/2.0.2
- https://github.com/apache/airflow/releases/tag/1.10.15
- https://github.com/apache/airflow
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-2020-17515 · CVE Program
- CVE-2020-17515 · NVD
- FIRST EPSS
- GHSA-86vp-x3pr-79rx · GitHub Advisory Database · CC BY 4.0
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