CVE-2026-40293

OpenFGA versions 0.1.4 through 1.13.1 are vulnerable to an information disclosure flaw where the local server includes the preshared API key in the HTML response of the /playground endpoint. This occurs when OpenFGA is configured with preshared-key authentication and the built-in playground is en...

CVE-2026-40293 OpenFGA Playground Preshared Key Exposure

OpenFGA is an authorization/permission engine built for developers. In versions 0.1.4 through 1.13.1, 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...

GHSA-68M9-983M-F3V5 OpenFGA: Unauthenticated playground endpoint discloses preshared API key in HTML response

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...