HIGH7.2

PYSEC-2026-2359

Apache Airflow allows code execution through crafted XCom payloads

Quick fix

PYSEC-2026-2359 — apache-airflow-core: upgrade to the fixed version with the command below.

pip install --upgrade 'apache-airflow-core>=3.2.0'

Details

Dag Authors, who normally should not be able to execute code in the webserver context could craft XCom payload causing the webserver to execute arbitrary code. Since Dag Authors are already highly trusted, severity of this issue is Low. Users are recommended to upgrade to Apache Airflow 3.2.0, which fixes the issue.

Are you affected?

Enter the version of the package you're using.

Affected packages

PyPI/apache-airflow-core

Introduced in: 0Fixed in: 3.2.0

Fixpip install --upgrade 'apache-airflow-core>=3.2.0'

References

https://nvd.nist.gov/vuln/detail/CVE-2026-25917[ADVISORY]
https://github.com/apache/airflow/pull/61641[WEB]
https://github.com/apache/airflow[PACKAGE]
https://github.com/pypa/advisory-database/tree/main/vulns/apache-airflow/PYSEC-2026-13.yaml[WEB]
https://lists.apache.org/thread/6whgpkqbh12rvpfmvcg8b0vwlv4hq3po[WEB]
http://www.openwall.com/lists/oss-security/2026/04/17/9[WEB]
https://pypi.org/project/apache-airflow-core[PACKAGE]
https://github.com/advisories/GHSA-6ffj-2wg2-w45j[ADVISORY]