CVE-2019-15611: Nextcloud

Medium severity, CVSS 4.9. EPSS: 1.1% chance of exploitation in the next 30 days.

Violation of Secure Design Principles in the iOS App 2.23.0 causes the app to leak its login and token to other Nextcloud services when search e.g. for federated users or registering for push notifications.

Affected products

• Nextcloud Nextcloud: before 2.24.0 (fixed in 2.24.0)

Published 2020-02-04. Last modified 2026-06-17.