EUVD-2026-8750

Storybook Dev Server is Vulnerable to WebSocket Hijacking...

GHSA-MJF5-7G4M-GX5W Storybook Dev Server is Vulnerable to WebSocket Hijacking

Summary The WebSocket functionality in Storybook's dev server, used to create and update stories, is vulnerable to WebSocket hijacking. This vulnerability only affects the Storybook dev server; production builds are not impacted. Details Exploitation requires a developer to visit a malicious...

Storybook Dev Server is Vulnerable to WebSocket Hijacking

Summary The WebSocket functionality in Storybook's dev server, used to create and update stories, is vulnerable to WebSocket hijacking. This vulnerability only affects the Storybook dev server; production builds are not impacted. Details Exploitation requires a developer to visit a malicious...

CVE-2026-27148

Storybook is a frontend workshop for building user interface components and pages in isolation. Prior to versions 7.6.23, 8.6.17, 9.1.19, and 10.2.10, the WebSocket functionality in Storybook's dev server, used to create and update stories, is vulnerable to WebSocket hijacking. This vulnerability...

CVE-2026-27148 Storybook Dev Server Vulnerable to WebSocket Hijacking

Storybook is a frontend workshop for building user interface components and pages in isolation. Prior to versions 7.6.23, 8.6.17, 9.1.19, and 10.2.10, the WebSocket functionality in Storybook's dev server, used to create and update stories, is vulnerable to WebSocket hijacking. This vulnerability...

CVE-2026-27148

Storybook is a frontend workshop for building user interface components and pages in isolation. Prior to versions 7.6.23, 8.6.17, 9.1.19, and 10.2.10, the WebSocket functionality in Storybook's dev server, used to create and update stories, is vulnerable to WebSocket hijacking. This vulnerability...

CVE-2026-27148 Storybook Dev Server Vulnerable to WebSocket Hijacking

Storybook is a frontend workshop for building user interface components and pages in isolation. Prior to versions 7.6.23, 8.6.17, 9.1.19, and 10.2.10, the WebSocket functionality in Storybook's dev server, used to create and update stories, is vulnerable to WebSocket hijacking. This vulnerability...

CVE-2026-27148

CVE-2026-27148 affects Storybook’s dev server frontend tooling. Prior to versions 7.6.23, 8.6.17, 9.1.19, and 10.2.10, the WebSocket handlers used to create/save stories do not validate origin, allowing WebSocket hijacking. An unauthenticated attacker can send messages to the local dev server, an...