CVE-2026-54657 | Open Zaak up to 1.27.1/1.28.1 Search Endpoint _zoek improper authorization (EUVD-2026-102899)

October 16, 2026 Yanac

A vulnerability categorized as problematic has been discovered in Open Zaak up to 1.27.1/1.28.1. Affected is an unknown function of the file /zaken/api/v1/zaken/_zoek of the component Search Endpoint. Such manipulation leads to improper authorization.

This vulnerability is referenced as CVE-2026-54657. It is possible to launch the attack remotely. No exploit is available.

It is advisable to upgrade the affected component.VulDB Recent EntriesRead More