CVE-2026-85619: Appflowy-Io Appflowy-Cloud

High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days.

AppFlowy-Cloud 0.9.64 fails to verify that requested collab objects belong to the workspace in authorization checks, allowing attackers to access documents and database rows across workspaces. Attackers can supply a victim's object ID with their own workspace ID to bypass access controls and read, modify, or delete cross-workspace data.

Affected products

• Appflowy-Io Appflowy-Cloud: up to and including 0.9.64

Published 2026-09-04. Last modified 2026-09-10.