GHSA-6ffj-2wg2-w45j

Apache Airflow allows code execution through crafted XCom payloads

Source: GitHub Advisory Database (reviewed) High CVE-2026-25917

Packages

Ecosystem	Package	Affected	Fixed in
PyPI	apache-airflow-core	< 3.2.0	3.2.0

Details

As written in the advisory (Markdown source, shown as plain text).

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.

References

External links from the advisory. They lead to third-party sites.

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