CVE-2026-73666 Missing authorization in backstage-plugins

High 8.2 Published Updated

Unauthenticated attackers can read catalog data and logs, and modify or delete catalog entries in OpenChoreo Backstage due to hardcoded authentication bypass settings.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-73666?

CVE-2026-73666 is a high-severity missing authorization vulnerability in openchoreo backstage-plugins, published on 13 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-306

Which versions are affected by CVE-2026-73666?

How do I fix CVE-2026-73666?

No fix has been published for CVE-2026-73666 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-73666 being exploited?

There is no known exploitation of CVE-2026-73666 in the wild and no public exploit code.

Sources

Also known as GHSA-v7qx-mqhq-grvh.

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