Auth bypass in Openchoreo Backstage-Plugins

CVE-2026-73666

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.

Vulnerability class: Broken Authentication

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-73666?
CVE-2026-73666 is a high-severity vulnerability in Openchoreo Backstage-Plugins, classified under Missing Authentication for Critical Function. CVSS score: 8.2/10. Published 2026-08-13.
How severe is CVE-2026-73666?
High severity. CVSS v3 base score is 8.2 out of 10.