CVE-2026-33858

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.

PUBLISHED Reserved 2026-03-24 | Published 2026-04-13 | Updated 2026-04-14 | Assigner apache

Problem types

CWE-502: Deserialization of Untrusted Data

Product status

Credits

wooseokdotkim finder

Amogh Desai remediation developer

References

www.openwall.com/lists/oss-security/2026/04/13/7

github.com/apache/airflow/pull/64148 patch

lists.apache.org/thread/1npt3o2x81s0gw9tmfcv4n7p1z9hdmy0 vendor-advisory

cve.org (CVE-2026-33858)

nvd.nist.gov (CVE-2026-33858)

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