npmPackage

@storybook/core-server

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

Latest release: 8.6.14 (May 16, 2025): affected by 2 advisories
Newest unaffected release: 8.6.19 (Oct 12, 2026)
Advisories: 2 · 2 high

Weekly downloads: 1.8M
Dependents: 6
Releases: 500+ since 7.6.20 (Jun 24, 2024)
Registry: npm
Releases read: Nov 8, 2026

Version timeline

CVE-2026-114126
Affects 8.1.0-beta.1 to 8.6.18 (8.6.19 is outside it)
CVE-2026-114125
Affects 8.1.0-beta.1 to 8.6.18 (8.6.19 is outside it)

Every release cve.now has on record, lowest version on the left; each bar is a run of versions an advisory affects. Older releases aren't stored, so the earliest spans may start sooner.

Advisories 2

CVE-2026-114126High 8.7
Storybook dev server: devices on the same network can obtain the WebSocket token and write code into story files
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.
18% of @storybook/core-server downloads last week were affected versions (429K).
CVE-2026-114125High 8.6
Storybook: Missing origin validation in Storybook preview allows code injection from malicious websites
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.
18% of @storybook/core-server downloads last week were affected versions (429K).