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Vulnerability record · CVE-2026-73666 · published 13 August 2026

CVE-2026-73666: Missing authentication for critical function vulnerability

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.

8.2 CVSS 3.1 High EPSS 0.68% · top 49.8% CWE-306 · Missing authentication for critical function Deferred
8.2CVSS 3.1 base score
0.68%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
12References
8 Sep 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

References

LinkTags
https://github.com/openchoreo/backstage-plugins/commit/114a215689924b917da5fd28c56e679aaccaef07
https://github.com/openchoreo/backstage-plugins/commit/dfa3fc8bd1ffef1346442c891e3e3dd54bc26501
https://github.com/openchoreo/backstage-plugins/commit/f6df89c15834506902b2f706a9e8fbe1f6ef1474
https://github.com/openchoreo/backstage-plugins/commit/fdaceeb737938e830c48a150d5bec24f5f487e52
https://github.com/openchoreo/backstage-plugins/pull/709
https://github.com/openchoreo/backstage-plugins/pull/712
https://github.com/openchoreo/backstage-plugins/pull/713
https://github.com/openchoreo/backstage-plugins/pull/716
https://github.com/openchoreo/backstage-plugins/releases/tag/v1.0.4
https://github.com/openchoreo/backstage-plugins/releases/tag/v1.1.4
https://github.com/openchoreo/backstage-plugins/releases/tag/v1.2.1
https://github.com/openchoreo/openchoreo/security/advisories/GHSA-v7qx-mqhq-grvh

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Source: NIST National Vulnerability Database (record CVE-2026-73666), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.