CVE-2026-33858

EUVD-2026-21978
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.8 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 41%
Affected Products (NVD)
VendorProductVersion
apacheairflow
3.1.8 ≤
𝑥
< 3.2.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
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