CVE-2026-55836

The Open Zaak data and services layer is vulnerable to path traversal and arbitrary server-file read in versions 1.13.0 through 1.27.2, 1.28.2, and 1.29.0. The root cause lies in the _import_document_row function within src/openzaak/components/documenten/tasks.py, which fails to validate that the...