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TI-2026-83219 CVE-2026-55551

Missing per-zaaktype authorization in ZAC by-ID read endpoints

Priority MEDIUM 62

ZAC is an open-source, workflow-based Common Ground component for Dutch municipal case management.

CVSS 3.1MEDIUM 6.5· Network · Low privileges · No interaction · EPSS 0.00257 · Published 2026-10-30 · Fixed in 5.2.0 CWE-285

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