CVE-2020-8182: Nextcloud Deck

High severity, CVSS 8.0. EPSS: 1% chance of exploitation in the next 30 days.

Improper access control in Nextcloud Deck 0.8.0 allowed an attacker to reshare boards shared with them with more permissions than they had themselves.

Affected products

• Nextcloud Deck: version 0.8.0 only

Published 2020-10-05. Last modified 2026-06-17.