Information Disclosure

Storybook is vulnerable to Information Disclosure. The vulnerability is due to a bug in how Storybook handles environment variables defined in a .env file, which could, in specific circumstances, lead to those variables being unexpectedly bundled into the artifacts created by the storybook build...

GHSA-8452-54WP-RMV6 Storybook manager bundle may expose environment variables during build

On December 11th, the Storybook team received a responsible disclosure alerting them to a potential vulnerability in certain built and published Storybooks. The vulnerability is a bug in how Storybook handles environment variables defined in a .env file, which could, in specific circumstances, le...

CVE-2025-68429

This CVE (CVE-2025-68429) affects Storybook builds where environment variables in a .env file could be unintentionally bundled into the web-facing build artifacts. Vulnerable if you run storybook build in a directory containing .env (including .env.local) and then publish the built bundle. Affect...