CVE-2026-57510: Superplanehq Superplane

High severity, CVSS 8.8. EPSS: 0.6% chance of exploitation in the next 30 days.

SuperPlane before 0.27.0 contains a broken object-level authorization vulnerability in the CanvasService gRPC handlers that allows authenticated users with viewer-level access to one organization to access resources belonging to other organizations by supplying arbitrary canvas or queue UUIDs without organization scoping. Attackers can read cross-tenant execution history and event payloads containing sensitive secrets, write queue items and canvas events into victim organizations, delete arbitrary canvases, and disrupt automation workflows across tenant boundaries.

Affected products

• Superplanehq Superplane: before 0.27.0 (fixed in 0.27.0)

Published 2026-07-28. Last modified 2026-07-30.