CVE-2026-25917 — Apache Airflow: API extra-links triggers XCom deserialization/class instantiation (Airflow 3.1.5)

CVE-2026-25917

Apache Airflow: API extra-links triggers XCom deserialization/class instantiation (Airflow 3.1.5) PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
Apache Software Foundation / Apache Airflow	affected 0 before 3.2.0

CWE

CWE-502

References

https://github.com/apache/airflow/pull/61641
https://lists.apache.org/thread/6whgpkqbh12rvpfmvcg8b0vwlv4hq3po

ADP enrichment

CVE

No English description supplied.

http://www.openwall.com/lists/oss-security/2026/04/17/9

CISA-ADP

No English description supplied.

No references supplied.