https://seclists.org/oss-sec/2026/q3/75: CVE-2026-33264: Apache Airflow: DAG author RCE on webserver via unstricted import_string() in BaseSerialization.deserialize()

Published Jul 7, 2026
·
Updated

Affected Software

1 affected component
Apache Airflow<3.3.0
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2026-33264?

CVE-2026-33264 has been classified with an important severity level.

2

Which versions of Apache Airflow are affected by CVE-2026-33264?

CVE-2026-33264 affects all versions of Apache Airflow before 3.3.0.

3

What type of vulnerability is CVE-2026-33264?

CVE-2026-33264 is a remote code execution (RCE) vulnerability in Apache Airflow.

4

How do I fix CVE-2026-33264?

The recommended fix for CVE-2026-33264 is to upgrade Apache Airflow to version 3.3.0 or later.

5

What impact does CVE-2026-33264 have on Apache Airflow?

CVE-2026-33264 allows a DAG author to execute arbitrary code on the webserver via unrestricted import_string() during DAG deserialization.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203