CVE-2026-33858
High
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.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Apache Airflow
PublishedApr 13, 2026
First seenApr 13, 2026
Weakness typeCWE-502Deserialization of untrusted data
How to fix
Update
- apache airflow3.2.0 or later
- apache-airflow3.2.0 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| apache airflow | 3.1.8 ≤ v < 3.2.0 | 3.2.0 |
| apache-airflowPyPI | 3.1.8 ≤ v < 3.2.0 | 3.2.0 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.