# @storybook/core (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: 6.1M
- Dependents: 30
- Releases: 500+ since 6.4.21 (Apr 9, 2022)
- Registry: https://www.npmjs.com/package/@storybook/core
- Releases read: Nov 8, 2026

## Version timeline

Affected versions per advisory, in version order:

- CVE-2026-114126: 8.2.0-beta.0 to 8.6.18 (8.6.19 is outside it)
- CVE-2026-114125: 8.2.0-beta.0 to 8.6.18 (8.6.19 is outside it)

Older releases aren't stored, so the earliest spans may start sooner.

## 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.
- 67% of @storybook/core downloads last week were affected versions (4.8M).

### [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.
- 67% of @storybook/core downloads last week were affected versions (4.8M).

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