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@renovate renovate bot commented Dec 19, 2025

This PR contains the following updates:

Package Change Age Confidence
storybook (source) 9.0.18 -> 9.1.17 age confidence

Storybook manager bundle may expose environment variables during build

CVE-2025-68429 / GHSA-8452-54wp-rmv6

More information

Details

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, lead to those variables being unexpectedly bundled into the artifacts created by the storybook build command. When a built Storybook is published to the web, the bundle’s source is viewable, thus potentially exposing those variables to anyone with access. If those variables contained secrets, they should be considered compromised.

Who is impacted?

For a project to be vulnerable to this issue, it must:

  • Build the Storybook (i.e. run storybook build directly or indirectly) in a directory that contains a .env file (including variants like .env.local)
  • The .env file contains sensitive secrets
  • Use Storybook version 7.0.0 or above
  • Publish the built Storybook to the web

Storybooks built without a .env file at build time are not affected, including common CI-based builds where secrets are provided via platform environment variables rather than .env files.

Users' Storybook runtime environments (i.e. storybook dev) are not affected. Deployed applications that share a repo with a project's Storybook are not affected.

Storybook 6 and below are not affected.

Recommended actions

First, Storybook recommends that everyone audit for any sensitive secrets provided via .env files and rotate those keys.

Second, Storybook has released patched versions of all affected major Storybook versions that no longer have this vulnerability. Projects should upgrade their Storybook—on both local machines and CI environments—to one of these versions before publishing again.

  • 10.1.10+
  • 9.1.17+
  • 8.6.15+
  • 7.6.21+

Finally, some projects may have been relying on the undocumented behavior at the heart of this issue and will need to change how they reference environment variables after this update. If a project can no longer read necessary environmental variable values, it can either prefix the variables with STORYBOOK_ or use the env property in Storybook’s configuration to manually specify values. In either case, do not include sensitive secrets as they will be included in the built bundle.

Further information

Details of the vulnerability can be found on the Storybook announcement.

Severity

  • CVSS Score: 7.3 / 10 (High)
  • Vector String: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

References

This data is provided by OSV and the GitHub Advisory Database (CC-BY 4.0).


Release Notes

storybookjs/storybook (storybook)

v9.1.17

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v9.1.16

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v9.1.15

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v9.1.14

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v9.1.13

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v9.1.12

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  • Maintenance: Hotfix for missing nextjs dts files, thanks @​ndelangen!

v9.1.11

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v9.1.10

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v9.1.9

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  • Angular: Enable experimental zoneless detection on Angular v21 - #​32580, thanks @​yannbf!
  • Svelte: Ignore inherited HTMLAttributes docgen when using utility types - #​32173, thanks @​steciuk!

v9.1.8

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v9.1.7

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v9.1.6

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v9.1.5

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v9.1.4

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v9.1.3

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v9.1.2

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v9.1.1

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  • Maintenance: Hotfix for missing nextjs dts files, thanks @​ndelangen!

v9.1.0

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Storybook 9.1 is packed with new features and improvements to enhance accessibility, streamline testing, and make your development workflow even smoother!

🚀 Improved upgrade command with monorepo support for seamless upgrades
🅰 Angular fixes for Tailwind 4, cache busting, and zoneless compatibility
🧪 sb.mock API and Automocking: one-line module mocking to simplify your testing workflow
🧪 Favicon shows test run status for quick visual feedback
⚛️ Easier configuration for React Native projects
🔥 Auto-abort play functions on HMR to avoid unwanted side effects
🏗️ Improved CSF factories API for type safe story definitions
♿️ A11y improvements across Storybook’s UI — addon panel, toolbar, sidebar, mobile & more
💯 Dozens more fixes and improvements based on community feedback!

List of all updates

Configuration

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Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.


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hashicorp-vault-sonar-prod bot commented Dec 19, 2025

Renovate Jira issue ID: ECHOES-1098

@gregaubert gregaubert self-requested a review December 19, 2025 09:11
@gregaubert gregaubert changed the title [renovate] Update dependency storybook to v9.1.17 [SECURITY] [renovate] Update dependency storybook to v10.1.10 [SECURITY] Dec 19, 2025
@gregaubert gregaubert force-pushed the renovate/npm-storybook-vulnerability branch from d0739ba to 2dc08ad Compare December 19, 2025 10:28
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renovate bot commented Dec 19, 2025

Edited/Blocked Notification

Renovate will not automatically rebase this PR, because it does not recognize the last commit author and assumes somebody else may have edited the PR.

You can manually request rebase by checking the rebase/retry box above.

⚠️ Warning: custom changes will be lost.

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Noice

@gregaubert gregaubert force-pushed the renovate/npm-storybook-vulnerability branch from 2dc08ad to 526cb99 Compare December 19, 2025 10:39
@gregaubert gregaubert enabled auto-merge (squash) December 19, 2025 10:39
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@gregaubert gregaubert merged commit 5b545d6 into main Dec 19, 2025
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@gregaubert gregaubert deleted the renovate/npm-storybook-vulnerability branch December 19, 2025 10:42
gregaubert added a commit that referenced this pull request Jan 6, 2026
Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Grégoire Aubert <gregoire.aubert@sonarsource.com>
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