CVE-2020-8119: Nextcloud Server

Medium severity, CVSS 4.3. EPSS: 0.9% chance of exploitation in the next 30 days.

Improper authorization in Nextcloud server 17.0.0 causes leaking of previews and files when a file-drop share link is opened via the gallery app.

Affected products

• Nextcloud Nextcloud Server: before 15.0.13 (fixed in 15.0.13); from 16.0.0, before 16.0.6 (fixed in 16.0.6); from 17.0.0, before 17.0.1 (fixed in 17.0.1)

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