Deserialization in Apache Software Foundation Airflow
CVE-2026-33264
A bug in `BaseSerialization.deserialize()` allowed unrestricted `import_string()` of attacker-controlled class paths when the Scheduler / API Server loaded a serialized DAG: a DAG author could embed a malicious trigger into a DAG to gain r…
Vulnerability class: Insecure Deserialization
Affected products
- Apache Software Foundation Airflow — versions 0
Weakness classification (CWE)
References
- security@apache.org (patch)
- security@apache.org (patch)
- security@apache.org (vendor-advisory)
- af854a3a-2127-422b-91ae-364da2661108