CVE-2026-49818

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 —...

PYSEC-2026-208

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 —...

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 —...

CVE-2026-49818

The CVE concerns Apache Airflow Samba provider’s GCSToSambaOperator, which concatenates GCS object names to the SMB destination path without proper containment checks. This allows objects with ../ segments to traverse outside destination_path, enabling an unauthenticated-like attacker able to wri...