CVE-2026-40293

OpenFGA OpenID/OpenFGA Playground vulnerability (CVE-2026-40293) affects OpenFGA 0.1.4–1.13.1 when preshared authentication is used and the built‑in playground is enabled with the endpoint accessible beyond localhost. The local HTML response from /playground reveals the preshared API key, enablin...

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...