CVE-2026-49818
Apache Airflow Samba provider: Path traversal in GCSToSambaOperator via GCS object names
The Apache Airflow Samba provider's `GCSToSambaOperator` joined GCS object names to the SMB destination path without a containment check, so an object named with `../` segments resolved a write path outside the configured `destination_path`. An attacker able to write objects into the source GCS bucket — typically an external data producer distinct from the trusted DAG author — could write files to arbitrary locations on the Samba target when the operator ran. Upgrade apache-airflow-providers-samba to 4.12.6 or later, which validates the resolved destination stays within `destination_path`.
| CWE | CWE-22 |
| Vendor | apache software foundation |
| Product | apache airflow samba provider |
| Published | Jun 9, 2026 |
| Last Updated | Jun 9, 2026 |
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