CVE-2026-55836 Open Zaak: Path traversal / arbitrary server-file read via Documenten API document import (bestandspad)

Open Zaak is an open-source data and services layer for Dutch case-oriented working. From 1.13.0 until 1.27.2, 1.28.2, and 1.29.0, importdocumentrow in src/openzaak/components/documenten/tasks.py uses the attacker-controlled bestandspad CSV field without ensuring that the resolved path remains...