CVE-2026-73666
OpenChoreo: Unauthenticated Backstage developer-portal API exposes OpenChoreo catalog data, scaffolder logs, and allows unauthenticated catalog write/delete
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
8.2
OpenChoreo: Unauthenticated Backstage developer-portal API exposes OpenChoreo catalog data, scaffolder logs, and allows unauthenticated catalog write/delete
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.
- Record
CVE-2026-73666- CVSS 3.1
- 8.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N - Weakness
- CWE-306
- Updated
- 2026-11-02
EUVDEUVD-2026-58543
8.2
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.
- Record
EUVD-2026-58543- CVSS 3.1
- 8.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N - Updated
- 2026-11-02
NVD
8.2
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.
- Record
CVE-2026-73666- CVSS 3.1
- 8.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N - Weakness
- CWE-306
- Updated
- 2026-11-02
OSV
8.2
OpenChoreo: Unauthenticated Backstage developer-portal API exposes OpenChoreo catalog data, scaffolder logs, and allows unauthenticated catalog write/delete
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.
- Record
CVE-2026-73666- CVSS 3.1
- 8.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N - Weakness
- CWE-306
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-73666 is a high vulnerability (CVSS 8.2) in Openchoreo Backstage-plugins, published August 13, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.68%, the 52nd percentile. No source names a fixed version.
References
github.com/openchoreo/openchoreo/security/advisories/GHSA-v7qx-mqhq-grvh
github.com/openchoreo/backstage-plugins/pull/709
github.com/openchoreo/backstage-plugins/pull/712
github.com/openchoreo/backstage-plugins/pull/713
github.com/openchoreo/backstage-plugins/pull/716
github.com/openchoreo/backstage-plugins/commit/114a215689924b917da5fd28c56e679aaccaef07
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github.com/openchoreo/backstage-plugins/commit/dfa3fc8bd1ffef1346442c891e3e3dd54bc26501
github.com/openchoreo/backstage-plugins/commit/f6df89c15834506902b2f706a9e8fbe1f6ef1474
github.com/openchoreo/backstage-plugins/commit/fdaceeb737938e830c48a150d5bec24f5f487e52
github.com/openchoreo/backstage-plugins/releases/tag/v1.0.4
github.com/openchoreo/backstage-plugins/releases/tag/v1.1.4
github.com/openchoreo/backstage-plugins/releases/tag/v1.2.1
github.com/CVEProject/cvelistV5/tree/main/cves/2026/73xxx/CVE-2026-73666.json
nvd.nist.gov/vuln/detail/CVE-2026-73666