TI-2026-36930 CVE-2026-50167Kurrier: Authenticated cross-user authorization bypass in Kurrier APIPriority LOW 24Kurrier is a modern, self-hosted workspace for email, calendar, contacts, and storage.CVSS 4.0MEDIUM 5.3· Network · Low privileges · No interaction · EPSS 0.00465 · Published 2026-08-18 · Fixed in 1.2.4 CWE-639