EUVD-2026-1462

Shakapacker has environment variable leak via EnvironmentPlugin that exposes secrets to client-side bundles...

Inclusion of Sensitive Information in Source Code

Overview shakapacker is an Use webpack to manage app-like JavaScript modules in Rails Affected versions of this package are vulnerable to Inclusion of Sensitive Information in Source Code via the EnvironmentPlugin , which exposed all build environment variables. An attacker can access sensitive...

GHSA-96QW-H329-V5RG Shakapacker has environment variable leak via EnvironmentPlugin that exposes secrets to client-side bundles

Summary Since 2017, the default webpack plugins have passed the entire process.env to EnvironmentPlugin. This pattern exposed ALL build environment variables to client-side JavaScript bundles whenever application code or any dependency referenced process.env.VARIABLENAME. This is not a regression...