CVE-2026-73666
OpenChoreo: Unauthenticated Backstage developer-portal API exposes OpenChoreo catalog data, scaffolder logs, and allows unauthenticated catalog write/delete
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.
INFO
Published Date :
Aug. 13, 2026, 10:17 p.m.
Last Modified :
Aug. 13, 2026, 10:17 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-73666
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Update OpenChoreo to version 1.0.4 or later.
- Update OpenChoreo to version 1.1.4 or later.
- Update OpenChoreo to version 1.2.1 or later.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-73666.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-73666 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-73666
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-73666 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-73666 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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New CVE Received by [email protected]
Aug. 13, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'openchoreo', 'product': 'backstage-plugins', 'versions': [{'status': 'affected', 'version': '< 1.0.4'}, {'status': 'affected', 'version': '>= 1.1.0, < 1.1.4'}, {'status': 'affected', 'version': '>= 1.2.0-rc.1, < 1.2.1'}]}] Added 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. Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N Added CWE CWE-306 Added Reference https://github.com/openchoreo/backstage-plugins/commit/114a215689924b917da5fd28c56e679aaccaef07 Added Reference https://github.com/openchoreo/backstage-plugins/commit/dfa3fc8bd1ffef1346442c891e3e3dd54bc26501 Added Reference https://github.com/openchoreo/backstage-plugins/commit/f6df89c15834506902b2f706a9e8fbe1f6ef1474 Added Reference https://github.com/openchoreo/backstage-plugins/commit/fdaceeb737938e830c48a150d5bec24f5f487e52 Added Reference https://github.com/openchoreo/backstage-plugins/pull/709 Added Reference https://github.com/openchoreo/backstage-plugins/pull/712 Added Reference https://github.com/openchoreo/backstage-plugins/pull/713 Added Reference https://github.com/openchoreo/backstage-plugins/pull/716 Added Reference https://github.com/openchoreo/backstage-plugins/releases/tag/v1.0.4 Added Reference https://github.com/openchoreo/backstage-plugins/releases/tag/v1.1.4 Added Reference https://github.com/openchoreo/backstage-plugins/releases/tag/v1.2.1 Added Reference https://github.com/openchoreo/openchoreo/security/advisories/GHSA-v7qx-mqhq-grvh