GHSA-68m9-983m-f3v5MediumCVSS 6.5

OpenFGA: Unauthenticated playground endpoint discloses preshared API key in HTML response

Published
April 8, 2026
Last Modified
April 24, 2026

🔗 CVE IDs covered (1)

CVE-2026-40293 →

📋 Description

Description

When OpenFGA is configured to use preshared-key authentication with the built-in playground enabled, the local server includes the preshared API key in the HTML response of the /playground endpoint. The /playground endpoint is enabled by default and does not require authentication. It is intended for local development and debugging and is not designed to be exposed to production environments.

Am I Affected?

You are affected if you meet each of the following preconditions:

  • You are running OpenFGA with --authn-method preshared, and
  • The playground is enabled, and
  • The playground endpoint is accessible beyond localhost or trusted networks.

Fix

Upgrade to OpenFGA v1.14.0, or disable the playground by running ./openfga run --playground-enabled=false.

🎯 Affected products1

  • go/github.com/openfga/openfga:>= 0.1.4, <= 1.13.1

🔗 References (4)