CVE-2026-33858

HighCVSS 8.8/10Last modified Nov 3, 2026

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.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-502

Affected software

Vendor	Product	Versions
Apache Software Foundation	Apache Airflow	>= 3.1.8, < 3.2.0

References

https://github.com/apache/airflow/pull/64148Issue Tracking
https://lists.apache.org/thread/1npt3o2x81s0gw9tmfcv4n7p1z9hdmy0Mailing List, Vendor Advisory
http://www.openwall.com/lists/oss-security/2026/04/13/7Mailing List, Third Party Advisory

Timeline

Published: Apr 13, 2026
Last modified: Nov 3, 2026
NVD status: Analyzed

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