PYSEC-2026-20

At a glance

Published
Updated
CVE
CVE-2026-33858
Aliases
BIT-airflow-2026-33858, GHSA-mc4f-r875-v87w
CVSS_V3
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Description

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.

Affected packages

PackageVersions
PyPI · apache-airflowintroduced 3.1.8, fixed 3.2.0

References

Sources

SourceLicence
OSV.devCC-BY 4.0 — PyPA Advisory Database