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...

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...

EUVD-2026-102899

Open Zaak is an open-source data and services layer for Dutch case-oriented working. From 1.0.0 until 1.27.2, 1.28.2, and 1.29.0, the POST search endpoints /zaken/api/v1/zaken/zoek and /documenten/api/v1/enkelvoudiginformatieobjecten/zoek do not filter result querysets according to the...

CVE-2026-49463

NL Portal Backend Libraries provide backend components for Dutch government portals that interact with residents, customers, suppliers, and partner organizations. The nl.nl-portal:documenten-api package through version 3.0.0 and the nl.nl-portal:besluiten package from version 1.5.0 through 3.0.0...

CVE-2026-49463 NL Portal: Missing per-user authorization on document and decision GraphQL queries in nl-portal-backend-libraries

NL Portal Backend Libraries provide backend components for Dutch government portals that interact with residents, customers, suppliers, and partner organizations. The nl.nl-portal:documenten-api package through version 3.0.0 and the nl.nl-portal:besluiten package from version 1.5.0 through 3.0.0...

EUVD-2026-76244

NL Portal Backend Libraries provide backend components for Dutch government portals that interact with residents, customers, suppliers, and partner organizations. The nl.nl-portal:documenten-api package through version 3.0.0 and the nl.nl-portal:besluiten package from version 1.5.0 through 3.0.0...

Improper Authorization

Overview Affected versions of this package are vulnerable to Improper Authorization in the GraphQL API's getDocumentContent and besluiten operations. An attacker can access sensitive personal data belonging to other users by querying these endpoints without proper authorization checks. This is...