What’s Vulnerable › Vulnerabilities
CVE-2026-73666: OpenChoreo: Unauthenticated Backstage developer-portal API exposes OpenChoreo catalog data, scaffolder logs, and allows unauthenticated catalog write/delete
- Severity: high (CVSS 8.2 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.7% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-08-13 · updated 2026-09-08
- Weakness: CWE-306
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.
Affected products
- openchoreo backstage-plugins: before 1.0.4; from 1.1.0, < 1.1.4; from 1.2.0-rc.1, < 1.2.1
References
- 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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