CVE-2026-46558: Plane

High severity, CVSS 8.3. EPSS: 0.4% chance of exploitation in the next 30 days.

Plane is an open-source project management tool. Prior to version 1.3.1, there is a cross-workspace asset authorization bypass lets any authenticated user read, copy, delete, and overwrite assets in other Plane workspaces. This issue has been patched in version 1.3.1.

Affected products

• Plane Plane: before 1.3.1 (fixed in 1.3.1)

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