CVE-2026-33858

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 resolves this issue.

Score

CVSS 3.1 8.8 High

Status

Analyzed - security@apache.org

Published

2026-04-13

Last modified

2026-10-26

Weaknesses

CWE-502

Affected products

• Airflow (Apache)
• Apache Airflow (Apache Software Foundation)

References

• https://github.com/apache/airflow/pull/64148
• https://lists.apache.org/thread/1npt3o2x81s0gw9tmfcv4n7p1z9hdmy0
• http://www.openwall.com/lists/oss-security/2026/04/13/7