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 destinationpath. An attacker able to write objects into the source GCS bucket —...