CVE-2026-73666: Openchoreo Backstage-Plugins

High severity, CVSS 8.2. EPSS: 0.7% chance of exploitation in the next 30 days.

OpenChoreo is a developer platform for Kubernetes. Prior to 1.0.4, 1.1.4, and 1.2.1, the OpenChoreo Backstage backend hardcoded backend.auth.dangerouslyDisableDefaultAuthPolicy and auth.providers.guest.dangerouslyAllowOutsideDevelopment to true, exposing /api/* without authentication and allowing unauthenticated catalog reads, scaffolder log reads, and catalog location creation or deletion. This issue is fixed in versions 1.0.4, 1.1.4, and 1.2.1.

Affected products

• Openchoreo Backstage-Plugins: before 1.0.4 (fixed in 1.0.4); from 1.1.0, before 1.1.4 (fixed in 1.1.4); from 1.2.0-rc.1, before 1.2.1 (fixed in 1.2.1)

Published 2026-08-13. Last modified 2026-09-08.