# @storybook/experimental-addon-test (npm) vulnerabilities

2 known vulnerabilities (2 high), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: 8.6.14 (May 16, 2025): affected by 2 advisories
- Newest unaffected release: 8.6.19 (Oct 12, 2026)
- Weekly downloads: 133.5K
- Dependents: 6
- Releases: 305 since 8.3.0 (Sep 11, 2024)
- Registry: https://www.npmjs.com/package/@storybook/experimental-addon-test
- Releases read: Nov 8, 2026

## Version timeline

Affected versions per advisory, in version order:

- CVE-2026-114126: 8.3.0-beta.2 to 8.6.18 (8.6.19 is outside it)
- CVE-2026-114125: 8.3.0-beta.2 to 8.6.18 (8.6.19 is outside it)

## Advisories (2)

### [CVE-2026-114126](https://cve.now/CVE-2026-114126): Storybook dev server: devices on the same network can obtain the WebSocket token and write code into story files

- Severity: High 8.7
- Published: Oct 21, 2026
- Affected: from 8.0.0, fixed in 8.6.19.
- Fixed in 8.6.19 (released Oct 12, 2026, 9 days before disclosure).
- The latest release, 8.6.14, is still affected.
- 93% of @storybook/experimental-addon-test downloads last week were affected versions (158.8K).

### [CVE-2026-114125](https://cve.now/CVE-2026-114125): Storybook: Missing origin validation in Storybook preview allows code injection from malicious websites

- Severity: High 8.6
- Published: Oct 21, 2026
- Affected: from 8.0.0, fixed in 8.6.19.
- Fixed in 8.6.19 (released Oct 12, 2026, 9 days before disclosure).
- The latest release, 8.6.14, is still affected.
- 93% of @storybook/experimental-addon-test downloads last week were affected versions (158.8K).

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