CVE-2026-25917highCWE-502

CVE-2026-25917: high-severity vulnerability in Apache Airflow

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

Published · Updated

Follow this CVE+ Monitor Apache Airflow+ Monitor apache-airflow

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.2epss 0.8%
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.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Affected products
Apache Software Foundation · Apache Airflow
Related CVEs — Apache Airflow

In the same product, most dangerous first.

CVE-2020-11978HIGHCVE-2020-11978EPSS 99.2%KEVCVE-2022-40127HIGHApache Airflow <2.4.0 has an RCE in a bash exampleEPSS 85.7%CVE-2022-45402MEDIUMApache Airflow: Open redirect during loginEPSS 81.8%CVE-2021-38540—Apache Airflow: Variable Import endpoint missed authentication checkEPSS 80.9%CVE-2022-24288—Apache Airflow: RCE in example DAGsEPSS 77.9%CVE-2020-11981—CVE-2020-11981EPSS 36.8%