CVE-2026-25917

UNKNOWN 0.0

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

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-502
Vendor	apache software foundation
Product	apache airflow
Published	Apr 18, 2026
Last Updated	Apr 18, 2026

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Affected Versions

Apache Software Foundation / Apache Airflow

0 < 3.2.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/apache/airflow/pull/61641 lists.apache.org: https://lists.apache.org/thread/6whgpkqbh12rvpfmvcg8b0vwlv4hq3po openwall.com: http://www.openwall.com/lists/oss-security/2026/04/17/9

Credits

Mahammad Huseynkhanli Amogh Desai