Deserialization in Apache Software Foundation Airflow

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. …

Vulnerability class: Insecure Deserialization

EPSS: 0.002 (42.0th percentile) — read the EPSS interpretation.