Detections
Analytics
SCA: security update for @storybook/addon-mcp, @storybook/addon-vitest, @storybook/core, @storybook/core-server, @storybook/experimental-addon-test, storybook (GHSA-f2ph-cmg5-wxc8)
high Tenable Cloud Security Plugin ID 476544
Description
There are packages installed that are affected by a vulnerability referenced in the following CVE:- Storybook is a frontend workshop for building user interface components and pages in isolation. From 8.0.0
until 8.6.19, 9.1.21, 10.6.2, and 11.0.0-alpha.6, a malicious website can interact with the preview of a
running Storybook development server. Insufficient iframe embedding and message-origin restrictions can
allow attacker-controlled events to reach the running preview. A developer must visit the malicious
website and interact with the injected interface. The attack can cause unauthorized changes to story files
and, if a changed file is later executed by a local runtime, arbitrary code execution with the developer's
privileges. This issue is fixed in 8.6.19, 9.1.21, 10.6.2, and 11.0.0-alpha.6. (CVE-2026-114125)
Solution
Update the @storybook/addon-mcp library and its related packages to version 10.6.2 or later.See Also
Plugin Details
Severity: High
ID: 476544
Version: Revision 1.1
Type: Local
Family: SCA Checks
Published: 10/21/2026
Updated: 10/21/2026
Risk Information
Vendor
Vendor Severity: Critical
CVSS v2
Risk Factor: High
Base Score: 7.5
Temporal Score: 5.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS Score Source: CVE-2026-114125
CVSS v3
Risk Factor: Critical
Base Score: 9.8
Temporal Score: 8.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
CVSS v4
Risk Factor: High
Base Score: 8.6
Threat Score: 6.1
Threat Vector: CVSS:4.0/E:U
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Vulnerability Information
Exploit Ease: No known exploits are available
Patch Publication Date: 10/21/2026
Vulnerability Publication Date: 10/21/2026
Reference Information
CVE: CVE-2026-114125