CVE-2026-57510
Severity CVSS v4.0:
HIGH
Type:
Unavailable / Other
Publication date:
28/07/2026
Last modified:
28/07/2026
Description
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.
Impact
Base Score 4.0
8.70
Severity 4.0
HIGH
Base Score 3.x
8.80
Severity 3.x
HIGH
References to Advisories, Solutions, and Tools
- https://github.com/superplanehq/superplane/commit/3e45cf4f1b5f1be9fbbfd90c97960a73f00f897b
- https://github.com/superplanehq/superplane/pull/5635
- https://github.com/superplanehq/superplane/releases/tag/v0.27.0
- https://www.vulncheck.com/advisories/superplane-broken-object-level-authorization-via-canvasservice-grpc



