## Storybook v7.6.21 Security Update Patches Critical Environment Variable Exposure (CVE-2025-68429)
A critical security vulnerability in Storybook's manager bundle could expose sensitive environment variables during the build process, prompting an urgent patch. The flaw, tracked as CVE-2025-68429 and GHSA-8452-54wp-rmv6, was disclosed to the Storybook team on December 11th. This exposure risk means that internal configuration secrets, API keys, or other credentials embedded in build-time environment variables could be leaked into the final, publicly accessible application bundle.

The vulnerability was present in versions prior to Storybook v7.6.21. The issue specifically resides in the manager bundle—the core UI component of Storybook that developers use to view and test UI components in isolation. The update from version 7.6.10 to 7.6.21, highlighted in an automated dependency pull request, directly addresses this security hole. The patch closes the vector that allowed build-time environment variables to be inadvertently included in the client-side code.

This incident underscores the persistent supply-chain risks in modern web development, where a widely used tool like Storybook becomes a single point of failure for thousands of projects. Teams that have not updated are advised to do so immediately to mitigate the risk of credential leakage. The responsible disclosure and swift patch highlight the importance of automated dependency management in responding to such vulnerabilities, but also reveal how deeply embedded and critical these tools are within the software development lifecycle.
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- **Source**: GitHub Issues
- **Sector**: The Lab
- **Tags**: cybersecurity, vulnerability, software supply chain, open source, CVE-2025-68429
- **Credibility**: unverified
- **Published**: 2026-03-29 05:26:52
- **ID**: 39635
- **URL**: https://whisperx.ai/en/intel/39635