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...